Macro IS_BLANKZ

macro_rules! IS_BLANKZ {
    ($string:expr) => { ... };
}

Checks if the character at the current pointer in the given string is a space, tab, line break character, or if it is a null character.

Parameters

• string: A reference to the string to check.

Return

Returns true if the character is a space, tab, line break character, or null character, and false otherwise.