diff options
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/ascii.rs | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/libstd/ascii.rs b/src/libstd/ascii.rs index 18b6a1ef52a..c43b4e9b6ea 100644 --- a/src/libstd/ascii.rs +++ b/src/libstd/ascii.rs @@ -67,7 +67,7 @@ impl Ascii { /// Check if the character is a number (0-9) #[inline] pub fn is_digit(&self) -> bool { - self.chr >= 0x31 && self.chr <= 0x39 + self.chr >= 0x30 && self.chr <= 0x39 } /// Check if the character is a letter or number @@ -85,7 +85,7 @@ impl Ascii { /// Check if the character is a control character #[inline] pub fn is_control(&self) -> bool { - self.chr <= 0x20 || self.chr == 0x7F + self.chr < 0x20 || self.chr == 0x7F } /// Checks if the character is printable (except space) @@ -498,6 +498,15 @@ mod tests { assert_eq!('`'.to_ascii().to_upper().to_char(), '`'); assert_eq!('{'.to_ascii().to_upper().to_char(), '{'); + assert!('0'.to_ascii().is_digit()); + assert!('9'.to_ascii().is_digit()); + assert!(!'/'.to_ascii().is_digit()); + assert!(!':'.to_ascii().is_digit()); + + assert!((0x1fu8).to_ascii().is_control()); + assert!(!' '.to_ascii().is_control()); + assert!((0x7fu8).to_ascii().is_control()); + assert!("banana".chars().all(|c| c.is_ascii())); assert!(!"ประเทศไทย中华Việt Nam".chars().all(|c| c.is_ascii())); } |