zig

commit e558e64ca0fc779ac4de0d25e8662f3bd1c910da (tree)
parent 7f6eab270493592d4c3e5788dfcb34fdbca80539
Author: GasInfinity <me@gasinfinity.dev>
Date:   Fri,  9 Jan 2026 02:27:31 +0100

feat(std.ascii): add `isGraphical` and `isPunctuation`

Diffstat:
M
lib/std/ascii.zig
 | 
21
+++++++++++++++++++++

1 file changed, 21 insertions(+), 0 deletions(-)
diff --git a/lib/std/ascii.zig b/lib/std/ascii.zig
@@ -137,6 +137,16 @@ pub fn isPrint(c: u8) bool {
     return isAscii(c) and !isControl(c);
 }
 
+/// Returns whether the character has some graphical representation,
+pub fn isGraphical(c: u8) bool {
+    return isPrint(c) and c != ' ';
+}
+
+/// Returns whether the character is a punctuation character.
+pub fn isPunctuation(c: u8) bool {
+    return isGraphical(c) and !isAlphanumeric(c);
+}
+
 /// Returns whether this character is included in `whitespace`.
 pub fn isWhitespace(c: u8) bool {
     return switch (c) {
@@ -264,6 +274,17 @@ test "ASCII character classes" {
     try testing.expect(!isPrint(control_code.esc));
     try testing.expect(!isPrint(0x80));
     try testing.expect(!isPrint(0xff));
+
+    try testing.expect(isGraphical('@'));
+    try testing.expect(isGraphical('!'));
+    try testing.expect(!isGraphical(' '));
+
+    try testing.expect(isPunctuation('@'));
+    try testing.expect(isPunctuation('!'));
+    try testing.expect(isPunctuation(';'));
+    try testing.expect(isPunctuation(','));
+    try testing.expect(!isPunctuation('A'));
+    try testing.expect(!isPunctuation('8'));
 }
 
 /// Writes a lower case copy of `ascii_string` to `output`.