mark/helpers.go

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2017-09-20 22:12:17 +00:00
package main
// helpers.go contains some helper functions for manipulating/processing data
// that doesn't really fit in elsewhere
// matchStringInSlice finds the closes match to 'ndl' in 'hay'
// It starts at the beginning of 'ndl' and matches letters in 'hay' until either
// we've matched the whole 'ndl' or there is only one result left
func matchStringInSlice(ndl string, hay []string) string {
var nextHay []string
for i := range ndl {
for _, p := range hay {
if p[i] == ndl[i] {
nextHay = append(hay, p)
}
}
// If we get here and there is only one parameter left, return it
hay = nextHay
if len(nextHay) == 1 {
break
}
// Otherwise, loop
nextHay = []string{}
}
if len(hay) == 0 {
return ""
}
return hay[0]
}