| package strings |
| |
| func Replace(s, old, new string, n int) string |
| |
| func Index(haystack, needle string) int |
| |
| func Contains(haystack, needle string) bool { |
| return Index(haystack, needle) >= 0 |
| } |
| |
| func HasPrefix(s, prefix string) bool { |
| return len(s) >= len(prefix) && s[0:len(prefix)] == prefix |
| } |
| |
| func EqualFold(s, t string) bool |
| func ToLower(s string) string |
| |
| type Builder struct { |
| s string |
| } |
| |
| func (b *Builder) WriteString(s string) (int, error) { |
| b.s += s |
| return len(s), nil |
| } |
| func (b *Builder) String() string { return b.s } |
