prosper/words.go

34 lines
698 B
Go

package main
import "fmt"
// Dictionary is a simple map of names to words
type Dictionary map[string]Word
// A Word defines a subroutine
type Word struct {
Name string
Impl func() error
Source string
}
// AddWord inserts a new word into the dictonary, optionally overwriting the existing word
func (d Dictionary) AddWord(name string, impl func() error, source string) {
d[name] = Word{
Name: name,
Impl: impl,
Source: source,
}
}
// GetWord returns a word from the dictionary or an error if it's undefined
func (d Dictionary) GetWord(name string) (Word, error) {
w, ok := d[name]
if !ok {
return Word{
Name: name,
}, fmt.Errorf("no word found")
}
return w, nil
}