Module cty 

Available on crate feature core only.

Provides functions for examining and operating on character types.

Functions

nstd_core_cty_is_alphabetic

Determines whether or not chr is alphabetic.

nstd_core_cty_is_alphanumeric

Determines whether or not chr is alphabetic or numeric.

nstd_core_cty_is_ascii

Determines whether or not chr is a valid ASCII value.

nstd_core_cty_is_control

Determines whether or not chr is a control character.

nstd_core_cty_is_graphic

Determines whether or not chr is a graphical character.

nstd_core_cty_is_hexdigit

Determines whether or not chr is a hexadecimal digit.

nstd_core_cty_is_lowercase

Determines whether or not chr is lowercase.

nstd_core_cty_is_numeric

Determines whether or not chr is numeric.

nstd_core_cty_is_punctuation

Determines whether or not chr is punctuation.

nstd_core_cty_is_unicode

Determines whether or not a 32-bit character value is a valid Unicode scalar value.

nstd_core_cty_is_uppercase

Determines whether or not chr is uppercase.

nstd_core_cty_is_whitespace

Determines whether or not chr is white space.