commonPrefixLength

lib.strings.commonPrefixLength

Docs pulled from | This Revision | about 1 hour ago

Returns the length of the prefix that appears in both strings a and b.

Inputs

a: 1. Function argument
b: 2. Function argument

Type

commonPrefixLength :: string -> string -> int

Noogle detected

Implementation

The following is the current implementation of this function.

commonPrefixLength = a: b:
    let
      m = lib.min (stringLength a) (stringLength b);
      go = i: if i >= m then m else if substring i 1 a == substring i 1 b then go (i + 1) else i;
    in go 0;