package qinap

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in-package search v0.2.0

Package contains no libraries

Module containing functions for working with strings.

val hd : string -> char option

hd s returns the first character of the string s. Wraps its result in an option type, to avoid raising exceptions.

val tl : string -> string

tl s returns s with its first character removed. If applied to the empty string, tl result the empty string.