Pangram checker

editable example

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ghul

use IO.Std.write_line

use Ghul.Pipes

is_pangram(sentence: string) -> bool =>

sentence

|> map(char.to_lower)

|> filter(char.is_letter)

|> distinct()

|> count() == 26

write_line("{is_pangram("The quick brown fox jumps over the lazy dog")}")

write_line("{is_pangram("Hello, World!")}")

True
False