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Tweak is_ascii_punctuation()/graphic() docs wording

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The `_punctuation` methods return `true` for characters with
Unicode general category of punctuation (P),
but also for those with general category
of symbol (S).
This commit is contained in:
Jules Bertholet
2026-04-19 21:13:22 -04:00
parent e22c616e4e
commit fd65209a77
3 changed files with 12 additions and 6 deletions
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library/core/src/ascii/ascii_char.rs
+4 -2
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@@ -949,7 +949,8 @@ pub const fn is_hexdigit(self) -> bool {
self.to_u8().is_ascii_hexdigit()
}
/// Checks if the value is a punctuation character:
/// Checks if the value is a punctuation or symbol character
/// (i.e. not alphanumeric, whitespace, or control):
///
/// - 0x21 ..= 0x2F `! " # $ % & ' ( ) * + , - . /`, or
/// - 0x3A ..= 0x40 `: ; < = > ? @`, or
@@ -989,7 +990,8 @@ pub const fn is_punctuation(self) -> bool {
self.to_u8().is_ascii_punctuation()
}
/// Checks if the value is a graphic character:
/// Checks if the value is a graphic character
/// (i.e. not whitespace or control):
/// 0x21 '!' ..= 0x7E '~'.
///
/// # Examples
library/core/src/char/methods.rs
+4 -2
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@@ -1984,7 +1984,8 @@ pub const fn is_ascii_hexdigit(&self) -> bool {
matches!(*self, '0'..='9') | matches!(*self, 'A'..='F') | matches!(*self, 'a'..='f')
}
/// Checks if the value is an ASCII punctuation character:
/// Checks if the value is an ASCII punctuation or symbol character
/// (i.e. not alphanumeric, whitespace, or control):
///
/// - U+0021 ..= U+002F `! " # $ % & ' ( ) * + , - . /`, or
/// - U+003A ..= U+0040 `: ; < = > ? @`, or
@@ -2025,7 +2026,8 @@ pub const fn is_ascii_punctuation(&self) -> bool {
| matches!(*self, '{'..='~')
}
/// Checks if the value is an ASCII graphic character:
/// Checks if the value is an ASCII graphic character
/// (i.e. not whitespace or control):
/// U+0021 '!' ..= U+007E '~'.
///
/// # Examples
library/core/src/num/mod.rs
+4 -2
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@@ -986,7 +986,8 @@ pub const fn is_ascii_hexdigit(&self) -> bool {
matches!(*self, b'0'..=b'9') | matches!(*self, b'A'..=b'F') | matches!(*self, b'a'..=b'f')
}
/// Checks if the value is an ASCII punctuation character:
/// Checks if the value is an ASCII punctuation or symbol character
/// (i.e. not alphanumeric, whitespace, or control):
///
/// - U+0021 ..= U+002F `! " # $ % & ' ( ) * + , - . /`, or
/// - U+003A ..= U+0040 `: ; < = > ? @`, or
@@ -1027,7 +1028,8 @@ pub const fn is_ascii_punctuation(&self) -> bool {
| matches!(*self, b'{'..=b'~')
}
/// Checks if the value is an ASCII graphic character:
/// Checks if the value is an ASCII graphic character
/// (i.e. not whitespace or control):
/// U+0021 '!' ..= U+007E '~'.
///
/// # Examples