Implement abs/0 filter

MiSawa · Feb 28, 2024 · 52bfba1 · 52bfba1
1 parent 23187ab
commit 52bfba1
Show file tree

Hide file tree

Showing 2 changed files with 14 additions and 0 deletions.
diff --git a/prelude.jq b/prelude.jq
@@ -2,6 +2,7 @@ def not: if . then false else true end;
 def select(f): if f then . else empty end;
 def map(f): [.[] | f];
 def map_values(f): .[] |= f;
+def abs: if . < 0 then - . else . end;
 
 def isfinite: isinfinite | not;
 def nulls: select(type == "null");

diff --git a/tests/from_manual/functions.rs b/tests/from_manual/functions.rs
@@ -1,5 +1,18 @@
 use crate::test;
 
+test!(
+    abs1,
+    r#"
+    map(abs)
+    "#,
+    r#"
+    [-10, -1.1, -1e-1]
+    "#,
+    r#"
+    [10,1.1,1e-1]
+    "#
+);
+
 test!(
     length1,
     r#"