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std::is_a_letter

checks wheter its argument is a letter (upper or lower case)

Parameter

chr
the character to check

Result

success
true if the argument is a letter

Description

This function must be called on character-values only.

Example

if is_a_letter('t'): println! "t is a letter" : println! "t is not a letter"

Output

t is a letter

Example

if is_a_letter('3'): println! "3 is a letter" : println! "3 is not a letter"

Output

3 is not a letter

Topic

Strings

See also

std::is_an_uppercase_letter checks wheter its argument is an uppercase letter
std::is_a_lowercase_letter checks wheter its argument is a lowercase letter
std::is_a_letter_character returns for letter characters
std::is_a_digit checks wheter its argument is a digit
(defined in basic/types/character.fky)