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Diffstat (limited to '')
| -rw-r--r-- | src/utils.ts | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/utils.ts b/src/utils.ts index e7392bf..9c4c97b 100644 --- a/src/utils.ts +++ b/src/utils.ts @@ -2,3 +2,8 @@ export const eq = <T>(a: T) => (b: T): boolean => a === b + +export const match = + <R, K extends string>(pattern: { [key in K | '_']: () => R }) => + (k: K): R => + (pattern[k] || pattern._)() |