Merge pull request #20446 from pabloferz/pz/newparamsyntax

Use new compact parametric syntax where possible

Author: pabloferz

base/LineEdit.jl

@@ -430,7 +430,7 @@ end
 
 # splice! for IOBuffer: convert from 0-indexed positions, update the size,
 # and keep the cursor position stable with the text
-function splice_buffer!{T<:Integer}(buf::IOBuffer, r::UnitRange{T}, ins::AbstractString = "")
+function splice_buffer!(buf::IOBuffer, r::UnitRange{<:Integer}, ins::AbstractString = "")
     pos = position(buf)
     if !isempty(r) && pos in r
         seek(buf, first(r))
@@ -911,7 +911,7 @@ function validate_keymap(keymap)
     end
 end
 
-function keymap{D<:Dict}(keymaps::Array{D})
+function keymap(keymaps::Array{<:Dict})
     # keymaps is a vector of prioritized keymaps, with highest priority first
     ret = keymap_unify(map(normalize_keys, reverse(keymaps)))
     validate_keymap(ret)

base/abstractarray.jl

@@ -60,7 +60,7 @@ end
 # d)` for d=1. 1d arrays are heavily used, and the first dimension
 # comes up in other applications.
 indices1{T}(A::AbstractArray{T,0}) = OneTo(1)
-indices1{T}(A::AbstractArray{T})   = (@_inline_meta; indices(A)[1])
+indices1(A::AbstractArray)         = (@_inline_meta; indices(A)[1])
 indices1(iter) = OneTo(length(iter))
 
 unsafe_indices(A) = indices(A)
@@ -89,7 +89,7 @@ julia> extrema(b)
 """
 linearindices(A)                 = (@_inline_meta; OneTo(_length(A)))
 linearindices(A::AbstractVector) = (@_inline_meta; indices1(A))
-eltype(::Type{A}) where A<:AbstractArray{E} where E  = E
+eltype(::Type{<:AbstractArray{E}}) where {E} = E
 elsize{T}(::AbstractArray{T}) = sizeof(T)
 
 """
@@ -189,7 +189,7 @@ function stride(a::AbstractArray, i::Integer)
     return s
 end
 
-strides{T}(A::AbstractArray{T,0}) = ()
+strides(A::AbstractArray{<:Any,0}) = ()
 """
     strides(A)
 
@@ -204,7 +204,7 @@ julia> strides(A)
 """
 strides(A::AbstractArray) = _strides((1,), A)
 _strides{T,N}(out::NTuple{N,Any}, A::AbstractArray{T,N}) = out
-function _strides{M,T,N}(out::NTuple{M}, A::AbstractArray{T,N})
+function _strides{M}(out::NTuple{M}, A::AbstractArray)
     @_inline_meta
     _strides((out..., out[M]*size(A, M)), A)
 end
@@ -263,13 +263,13 @@ efficient generic code for all array types.
 An abstract array subtype `MyArray` that wishes to opt into fast linear indexing behaviors
 should define `linearindexing` in the type-domain:
 
-    Base.linearindexing{T<:MyArray}(::Type{T}) = Base.LinearFast()
+    Base.linearindexing(::Type{<:MyArray}) = Base.LinearFast()
 """
 linearindexing(A::AbstractArray) = linearindexing(typeof(A))
 linearindexing(::Type{Union{}}) = LinearFast()
-linearindexing{T<:AbstractArray}(::Type{T}) = LinearSlow()
-linearindexing{T<:Array}(::Type{T}) = LinearFast()
-linearindexing{T<:Range}(::Type{T}) = LinearFast()
+linearindexing(::Type{<:AbstractArray}) = LinearSlow()
+linearindexing(::Type{<:Array}) = LinearFast()
+linearindexing(::Type{<:Range}) = LinearFast()
 
 linearindexing(A::AbstractArray, B::AbstractArray) = linearindexing(linearindexing(A), linearindexing(B))
 linearindexing(A::AbstractArray, B::AbstractArray...) = linearindexing(linearindexing(A), linearindexing(B...))
@@ -1575,7 +1575,7 @@ sub2ind_vec(inds, i, I) = (@_inline_meta; _sub2ind_vec(inds, (), i, I...))
 _sub2ind_vec(inds, out, i, I1, I...) = (@_inline_meta; _sub2ind_vec(inds, (out..., I1[i]), i, I...))
 _sub2ind_vec(inds, out, i) = (@_inline_meta; sub2ind(inds, out...))
 
-function ind2sub{N,T<:Integer}(inds::Union{DimsInteger{N},Indices{N}}, ind::AbstractVector{T})
+function ind2sub{N}(inds::Union{DimsInteger{N},Indices{N}}, ind::AbstractVector{<:Integer})
     M = length(ind)
     t = ntuple(n->similar(ind),Val{N})
     for (i,idx) in enumerate(ind)  # FIXME: change to eachindexvalue

base/abstractarraymath.jl

@@ -4,8 +4,8 @@
 
 isreal(x::AbstractArray) = all(isreal,x)
 iszero(x::AbstractArray) = all(iszero,x)
-isreal{T<:Real,n}(x::AbstractArray{T,n}) = true
-all{T<:Integer}(::typeof(isinteger), ::AbstractArray{T}) = true
+isreal(x::AbstractArray{<:Real}) = true
+all(::typeof(isinteger), ::AbstractArray{<:Integer}) = true
 
 ## Constructors ##
 
@@ -80,14 +80,14 @@ squeeze(A::AbstractArray, dim::Integer) = squeeze(A, (Int(dim),))
 
 ## Unary operators ##
 
-conj{T<:Real}(x::AbstractArray{T}) = x
-conj!{T<:Real}(x::AbstractArray{T}) = x
+conj(x::AbstractArray{<:Real}) = x
+conj!(x::AbstractArray{<:Real}) = x
 
-real{T<:Real}(x::AbstractArray{T}) = x
-imag{T<:Real}(x::AbstractArray{T}) = zero(x)
+real(x::AbstractArray{<:Real}) = x
+imag(x::AbstractArray{<:Real}) = zero(x)
 
-+{T<:Number}(x::AbstractArray{T}) = x
-*{T<:Number}(x::AbstractArray{T,2}) = x
++(x::AbstractArray{<:Number}) = x
+*(x::AbstractArray{<:Number,2}) = x
 
 # index A[:,:,...,i,:,:,...] where "i" is in dimension "d"
 

base/array.jl

@@ -63,7 +63,7 @@ length(a::Array) = arraylen(a)
 elsize{T}(a::Array{T}) = isbits(T) ? sizeof(T) : sizeof(Ptr)
 sizeof(a::Array) = elsize(a) * length(a)
 
-function isassigned{T}(a::Array{T}, i::Int...)
+function isassigned(a::Array, i::Int...)
     ii = sub2ind(size(a), i...)
     1 <= ii <= length(a) || return false
     ccall(:jl_array_isassigned, Cint, (Any, UInt), a, ii-1) == 1
@@ -576,7 +576,7 @@ function push!(a::Array{Any,1}, item::ANY)
     return a
 end
 
-function append!{T}(a::Array{T,1}, items::AbstractVector)
+function append!(a::Array{<:Any,1}, items::AbstractVector)
     itemindices = eachindex(items)
     n = length(itemindices)
     ccall(:jl_array_grow_end, Void, (Any, UInt), a, n)
@@ -618,7 +618,7 @@ julia> prepend!([3],[1,2])
 """
 function prepend! end
 
-function prepend!{T}(a::Array{T,1}, items::AbstractVector)
+function prepend!(a::Array{<:Any,1}, items::AbstractVector)
     itemindices = eachindex(items)
     n = length(itemindices)
     ccall(:jl_array_grow_beg, Void, (Any, UInt), a, n)
@@ -784,7 +784,7 @@ julia> deleteat!([6, 5, 4, 3, 2, 1], 2)
 """
 deleteat!(a::Vector, i::Integer) = (_deleteat!(a, i, 1); a)
 
-function deleteat!{T<:Integer}(a::Vector, r::UnitRange{T})
+function deleteat!(a::Vector, r::UnitRange{<:Integer})
     n = length(a)
     isempty(r) || _deleteat!(a, first(r), length(r))
     return a
@@ -934,7 +934,7 @@ julia> A
  -1
 ```
 """
-function splice!{T<:Integer}(a::Vector, r::UnitRange{T}, ins=_default_splice)
+function splice!(a::Vector, r::UnitRange{<:Integer}, ins=_default_splice)
     v = a[r]
     m = length(ins)
     if m == 0

base/arraymath.jl

@@ -23,7 +23,7 @@ julia> A
  2-2im  3-1im
 ```
 """
-conj!{T<:Number}(A::AbstractArray{T}) = (@inbounds broadcast!(conj, A, A); A)
+conj!(A::AbstractArray{<:Number}) = (@inbounds broadcast!(conj, A, A); A)
 
 for f in (:-, :~, :conj, :real, :imag)
     @eval ($f)(A::AbstractArray) = broadcast($f, A)
@@ -42,10 +42,10 @@ end
 
 for f in (:/, :\, :*, :+, :-)
     if f != :/
-        @eval ($f){T}(A::Number, B::AbstractArray{T}) = broadcast($f, A, B)
+        @eval ($f)(A::Number, B::AbstractArray) = broadcast($f, A, B)
     end
     if f != :\
-        @eval ($f){T}(A::AbstractArray{T}, B::Number) = broadcast($f, A, B)
+        @eval ($f)(A::AbstractArray, B::Number) = broadcast($f, A, B)
     end
 end
 

base/bitarray.jl

@@ -67,9 +67,9 @@ size(B::BitArray) = B.dims
     ifelse(d == 1, B.len, 1)
 end
 
-isassigned{N}(B::BitArray{N}, i::Int) = 1 <= i <= length(B)
+isassigned(B::BitArray, i::Int) = 1 <= i <= length(B)
 
-linearindexing{A<:BitArray}(::Type{A}) = LinearFast()
+linearindexing(::Type{<:BitArray}) = LinearFast()
 
 ## aux functions ##
 
@@ -335,7 +335,7 @@ end
 @inline try_bool_conversion(x::Real) = x == 0 || x == 1 || throw(InexactError())
 @inline unchecked_bool_convert(x::Real) = x == 1
 
-function copy_to_bitarray_chunks!{T<:Real}(Bc::Vector{UInt64}, pos_d::Int, C::Array{T}, pos_s::Int, numbits::Int)
+function copy_to_bitarray_chunks!(Bc::Vector{UInt64}, pos_d::Int, C::Array{<:Real}, pos_s::Int, numbits::Int)
     @inbounds for i = (1:numbits) + pos_s - 1
         try_bool_conversion(C[i])
     end

base/broadcast.jl

@@ -24,11 +24,11 @@ broadcast!(f, X::AbstractArray, x::Number...) = (@inbounds for I in eachindex(X)
 
 # logic for deciding the resulting container type
 _containertype(::Type) = Any
-_containertype{T<:Ptr}(::Type{T}) = Any
-_containertype{T<:Tuple}(::Type{T}) = Tuple
-_containertype{T<:Ref}(::Type{T}) = Array
-_containertype{T<:AbstractArray}(::Type{T}) = Array
-_containertype{T<:Nullable}(::Type{T}) = Nullable
+_containertype(::Type{<:Ptr}) = Any
+_containertype(::Type{<:Tuple}) = Tuple
+_containertype(::Type{<:Ref}) = Array
+_containertype(::Type{<:AbstractArray}) = Array
+_containertype(::Type{<:Nullable}) = Nullable
 containertype(x) = _containertype(typeof(x))
 containertype(ct1, ct2) = promote_containertype(containertype(ct1), containertype(ct2))
 @inline containertype(ct1, ct2, cts...) = promote_containertype(containertype(ct1), containertype(ct2, cts...))
@@ -507,7 +507,7 @@ end
 
 Base.@propagate_inbounds dotview(args...) = getindex(args...)
 Base.@propagate_inbounds dotview(A::AbstractArray, args...) = view(A, args...)
-Base.@propagate_inbounds dotview{T<:AbstractArray}(A::AbstractArray{T}, args::Integer...) = getindex(A, args...)
+Base.@propagate_inbounds dotview(A::AbstractArray{<:AbstractArray}, args::Integer...) = getindex(A, args...)
 
 
 ############################################################

base/c.jl

@@ -61,7 +61,7 @@ if !is_windows()
 end
 
 # construction from typed pointers
-convert{T<:Union{Int8,UInt8}}(::Type{Cstring}, p::Ptr{T}) = bitcast(Cstring, p)
+convert(::Type{Cstring}, p::Ptr{<:Union{Int8,UInt8}}) = bitcast(Cstring, p)
 convert(::Type{Cwstring}, p::Ptr{Cwchar_t}) = bitcast(Cwstring, p)
 convert{T<:Union{Int8,UInt8}}(::Type{Ptr{T}}, p::Cstring) = bitcast(Ptr{T}, p)
 convert(::Type{Ptr{Cwchar_t}}, p::Cwstring) = bitcast(Ptr{Cwchar_t}, p)
@@ -161,7 +161,7 @@ function transcode end
 transcode{T<:Union{UInt8,UInt16,UInt32,Int32}}(::Type{T}, src::Vector{T}) = src
 transcode{T<:Union{Int32,UInt32}}(::Type{T}, src::String) = T[T(c) for c in src]
 transcode{T<:Union{Int32,UInt32}}(::Type{T}, src::Vector{UInt8}) = transcode(T, String(src))
-function transcode{S<:Union{Int32,UInt32}}(::Type{UInt8}, src::Vector{S})
+function transcode(::Type{UInt8}, src::Vector{<:Union{Int32,UInt32}})
     buf = IOBuffer()
     for c in src; print(buf, Char(c)); end
     take!(buf)

base/channels.jl

@@ -383,6 +383,6 @@ function done(c::Channel, state::ChannelIterState)
         end
     end
 end
-next{T}(c::Channel{T}, state) = (v=state.val; state.hasval=false; (v, state))
+next(c::Channel, state) = (v=state.val; state.hasval=false; (v, state))
 
-iteratorsize{C<:Channel}(::Type{C}) = SizeUnknown()
+iteratorsize(::Type{<:Channel}) = SizeUnknown()

base/checked.jl

@@ -91,7 +91,7 @@ function checked_neg{T<:Integer}(x::T)
     checked_sub(T(0), x)
 end
 if BrokenSignedInt != Union{}
-function checked_neg{T<:BrokenSignedInt}(x::T)
+function checked_neg(x::BrokenSignedInt)
     r = -x
     (x<0) & (r<0) && throw(OverflowError())
     r

base/combinatorics.jl

@@ -82,7 +82,7 @@ isperm(p::Tuple{}) = true
 isperm(p::Tuple{Int}) = p[1] == 1
 isperm(p::Tuple{Int,Int}) = ((p[1] == 1) & (p[2] == 2)) | ((p[1] == 2) & (p[2] == 1))
 
-function permute!!{T<:Integer}(a, p::AbstractVector{T})
+function permute!!(a, p::AbstractVector{<:Integer})
     count = 0
     start = 0
     while count < length(a)
@@ -131,7 +131,7 @@ julia> A
 """
 permute!(a, p::AbstractVector) = permute!!(a, copymutable(p))
 
-function ipermute!!{T<:Integer}(a, p::AbstractVector{T})
+function ipermute!!(a, p::AbstractVector{<:Integer})
     count = 0
     start = 0
     while count < length(a)

base/complex.jl

@@ -204,7 +204,7 @@ conj(z::Complex) = Complex(real(z),-imag(z))
 abs(z::Complex)  = hypot(real(z), imag(z))
 abs2(z::Complex) = real(z)*real(z) + imag(z)*imag(z)
 inv(z::Complex)  = conj(z)/abs2(z)
-inv{T<:Integer}(z::Complex{T}) = inv(float(z))
+inv(z::Complex{<:Integer}) = inv(float(z))
 
 -(z::Complex) = Complex(-real(z), -imag(z))
 +(z::Complex, w::Complex) = Complex(real(z) + real(w), imag(z) + imag(w))
@@ -288,7 +288,7 @@ function /{T<:Real}(a::Complex{T}, b::Complex{T})
     end
 end
 
-inv{T<:Union{Float16,Float32}}(z::Complex{T}) =
+inv(z::Complex{<:Union{Float16,Float32}}) =
     oftype(z, conj(widen(z))/abs2(widen(z)))
 
 /{T<:Union{Float16,Float32}}(z::Complex{T}, w::Complex{T}) =
@@ -377,7 +377,7 @@ function ssqs{T<:AbstractFloat}(x::T, y::T)
     ρ, k
 end
 
-function sqrt{T<:AbstractFloat}(z::Complex{T})
+function sqrt(z::Complex{<:AbstractFloat})
     x, y = reim(z)
     if x==y==0
         return Complex(zero(x),y)
@@ -659,12 +659,12 @@ end
 ^(z::Complex, n::Bool) = n ? z : one(z)
 ^(z::Complex, n::Integer) = z^Complex(n)
 
-^{T<:AbstractFloat}(z::Complex{T}, n::Bool) = n ? z : one(z)  # to resolve ambiguity
-^{T<:Integer}(z::Complex{T}, n::Bool) = n ? z : one(z)        # to resolve ambiguity
+^(z::Complex{<:AbstractFloat}, n::Bool) = n ? z : one(z)  # to resolve ambiguity
+^(z::Complex{<:Integer}, n::Bool) = n ? z : one(z)        # to resolve ambiguity
 
-^{T<:AbstractFloat}(z::Complex{T}, n::Integer) =
+^(z::Complex{<:AbstractFloat}, n::Integer) =
     n>=0 ? power_by_squaring(z,n) : power_by_squaring(inv(z),-n)
-^{T<:Integer}(z::Complex{T}, n::Integer) = power_by_squaring(z,n) # DomainError for n<0
+^(z::Complex{<:Integer}, n::Integer) = power_by_squaring(z,n) # DomainError for n<0
 
 function sin{T}(z::Complex{T})
     F = float(T)
@@ -722,7 +722,7 @@ function asin(z::Complex)
     Complex(ξ,η)
 end
 
-function acos{T<:AbstractFloat}(z::Complex{T})
+function acos(z::Complex{<:AbstractFloat})
     zr, zi = reim(z)
     if isnan(zr)
         if isinf(zi) return Complex(zr, -zi)
@@ -863,7 +863,7 @@ breaking ties using the specified [`RoundingMode`](@ref)s. The first
 [`RoundingMode`](@ref) is used for rounding the real components while the
 second is used for rounding the imaginary components.
 """
-function round{T<:AbstractFloat, MR, MI}(z::Complex{T}, ::RoundingMode{MR}, ::RoundingMode{MI})
+function round{MR, MI}(z::Complex{<:AbstractFloat}, ::RoundingMode{MR}, ::RoundingMode{MI})
     Complex(round(real(z), RoundingMode{MR}()),
             round(imag(z), RoundingMode{MI}()))
 end
@@ -874,15 +874,15 @@ function round(z::Complex, digits::Integer, base::Integer=10)
             round(imag(z), digits, base))
 end
 
-float{T<:AbstractFloat}(z::Complex{T}) = z
+float(z::Complex{<:AbstractFloat}) = z
 float(z::Complex) = Complex(float(real(z)), float(imag(z)))
 
-big{T<:AbstractFloat}(z::Complex{T}) = Complex{BigFloat}(z)
-big{T<:Integer}(z::Complex{T}) = Complex{BigInt}(z)
+big(z::Complex{<:AbstractFloat}) = Complex{BigFloat}(z)
+big(z::Complex{<:Integer}) = Complex{BigInt}(z)
 
 ## Array operations on complex numbers ##
 
-complex{T<:Complex}(A::AbstractArray{T}) = A
+complex(A::AbstractArray{<:Complex}) = A
 
 function complex{T}(A::AbstractArray{T})
     if !isleaftype(T)

base/dSFMT.jl

@@ -160,7 +160,7 @@ end
 ## Windows entropy
 
 if is_windows()
-    function win32_SystemFunction036!{T}(a::Array{T})
+    function win32_SystemFunction036!(a::Array)
         ccall((:SystemFunction036, :Advapi32), stdcall, UInt8, (Ptr{Void}, UInt32), a, sizeof(a))
     end
 end

base/datafmt.jl

@@ -423,7 +423,7 @@ function colval(sbuff::String, startpos::Int, endpos::Int, cells::Array{Float32,
     isnull(n) || (cells[row, col] = get(n))
     isnull(n)
 end
-function colval{T<:AbstractString}(sbuff::String, startpos::Int, endpos::Int, cells::Array{T,2}, row::Int, col::Int)
+function colval(sbuff::String, startpos::Int, endpos::Int, cells::Array{<:AbstractString,2}, row::Int, col::Int)
     cells[row, col] = SubString(sbuff, startpos, endpos)
     return false
 end
@@ -446,7 +446,7 @@ function colval(sbuff::String, startpos::Int, endpos::Int, cells::Array{Any,2},
     cells[row, col] = SubString(sbuff, startpos, endpos)
     false
 end
-function colval{T<:Char}(sbuff::String, startpos::Int, endpos::Int, cells::Array{T,2}, row::Int, col::Int)
+function colval(sbuff::String, startpos::Int, endpos::Int, cells::Array{<:Char,2}, row::Int, col::Int)
     if startpos == endpos
         cells[row, col] = next(sbuff, startpos)[1]
         return false
@@ -644,7 +644,7 @@ function writedlm(io::IO, a::AbstractMatrix, dlm; opts...)
     nothing
 end
 
-writedlm{T}(io::IO, a::AbstractArray{T,0}, dlm; opts...) = writedlm(io, reshape(a,1), dlm; opts...)
+writedlm(io::IO, a::AbstractArray{<:Any,0}, dlm; opts...) = writedlm(io, reshape(a,1), dlm; opts...)
 
 # write an iterable row as dlm-separated items
 function writedlm_row(io::IO, row, dlm, quotes)