From 55575b88f9e47d88fab02c26fc69e4af48af1cd9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Cornell=C3=A0?= <marc.cornella@live.com>
Date: Mon, 25 Feb 2019 23:20:47 +0100
Subject: [PATCH] lib: optimize default and env_default

---
 lib/functions.zsh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/functions.zsh b/lib/functions.zsh
index 4ef8920f6..9f8736bd7 100644
--- a/lib/functions.zsh
+++ b/lib/functions.zsh
@@ -79,7 +79,7 @@ function try_alias_value() {
 #    0 if the variable exists, 3 if it was set
 #
 function default() {
-    test `typeset +m "$1"` && return 0
+    (( $+parameters[$1] )) && return 0
     typeset -g "$1"="$2"   && return 3
 }
 
@@ -93,8 +93,8 @@ function default() {
 #    0 if the env variable exists, 3 if it was set
 #
 function env_default() {
-    env | grep -q "^$1=" && return 0
-    export "$1=$2"       && return 3
+    (( ${${(@f):-$(typeset +xg)}[(I)$1]} )) && return 0
+    export "$1=$2" && return 3
 }