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util.go
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/
util.go
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package main
import (
"os"
)
func filter(vs []string, f func(string) bool) []string {
vsf := make([]string, 0)
for _, v := range vs {
if f(v) {
vsf = append(vsf, v)
}
}
return vsf
}
func any(vs []string, f func(string) bool) bool {
for _, v := range vs {
if f(v) {
return true
}
}
return false
}
func all(vs []string, f func(string) bool) bool {
for _, v := range vs {
if !f(v) {
return false
}
}
return true
}
// check if environment variable is set
func isSet(v string) bool {
_, set := os.LookupEnv("INPUT_" + v)
return set
}
// check if environment variable is not set
func notSet(v string) bool {
_, set := os.LookupEnv("INPUT_" + v)
return !set
}
func getEnv(v string) string {
return os.Getenv("INPUT_" + v)
}