tpl: Fix substr when length parameter is zero
authorCameron Moore <moorereason@gmail.com>
Sat, 28 Nov 2020 15:56:49 +0000 (09:56 -0600)
committerBjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Tue, 1 Dec 2020 22:20:04 +0000 (23:20 +0100)
commit5862fd2a60b5d16f2437bd8c8b7bac700de5f047
tree18cf44e8713cda968fb26d08aa194483b9484655
parent64789fb5dcf8326f14f13d69a2576ae3aa2bbbaa
tpl: Fix substr when length parameter is zero

When length parameter is zero, always return an empty string.

Updates #7993
tpl/strings/strings.go
tpl/strings/strings_test.go