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Replace typeset check with shellvar flag

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More performance without changing functionality.
This commit is contained in:
Ben Klein 2018-07-12 14:34:56 -04:00
parent 002f7b81a1
commit 45b0d68ec4
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1 changed files with 1 additions and 3 deletions
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4
functions/utilities.zsh
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@ -9,9 +9,7 @@
# Exits with 0 if a variable has been previously defined (even if empty)
# Takes the name of a variable that should be checked.
function defined() {
local varname="$1"
typeset -p "$varname" > /dev/null 2>&1
[[ ! -z "${(tP)1}" ]]
}
# Given the name of a variable and a default value, sets the variable