add test for spread in tuple in non-last position

This commit is contained in:
Erik Krogh Kristensen
2020-08-11 10:19:27 +02:00
parent b602a36a24
commit 2612e0c5dd
2 changed files with 12 additions and 0 deletions

View File

@@ -109,6 +109,8 @@ test_VariableTypes
| tst.ts:142:33:142:35 | msg | msg | tst.ts:142:39:142:44 | string |
| tst.ts:148:25:148:27 | val | val | tst.ts:148:30:148:32 | any |
| tst.ts:157:32:157:34 | arr | arr | tst.ts:157:37:157:56 | readonly [any, ...T] |
| tst.ts:164:47:164:50 | arr1 | arr1 | tst.ts:164:53:164:53 | T |
| tst.ts:164:56:164:59 | arr2 | arr2 | tst.ts:164:62:164:62 | U |
test_QualifiedTypeAccess
| tst.ts:63:19:63:21 | N.I | tst.ts:63:19:63:19 | N | tst.ts:63:21:63:21 | I |
| tst.ts:64:20:64:24 | N.M.I | tst.ts:64:20:64:22 | N.M | tst.ts:64:24:64:24 | I |
@@ -201,6 +203,8 @@ test_TupleTypeExpr
| tst.ts:136:39:136:68 | [number ... mber[]] | 2 | 3 | tst.ts:136:57:136:67 | ...number[] |
| tst.ts:157:46:157:56 | [any, ...T] | 0 | 2 | tst.ts:157:47:157:49 | any |
| tst.ts:157:46:157:56 | [any, ...T] | 1 | 2 | tst.ts:157:52:157:55 | ...T |
| tst.ts:164:66:164:77 | [...T, ...U] | 0 | 2 | tst.ts:164:67:164:70 | ...T |
| tst.ts:164:66:164:77 | [...T, ...U] | 1 | 2 | tst.ts:164:73:164:76 | ...U |
test_FieldTypes
| tst.ts:15:3:15:22 | numberField: number; | tst.ts:15:16:15:21 | number |
| tst.ts:16:3:16:22 | stringField: string; | tst.ts:16:16:16:21 | string |
@@ -223,6 +227,7 @@ test_ArrayTypeExpr
| tst.ts:135:39:135:46 | string[] | tst.ts:135:39:135:44 | string |
| tst.ts:136:60:136:67 | number[] | tst.ts:136:60:136:65 | number |
| tst.ts:157:25:157:29 | any[] | tst.ts:157:25:157:27 | any |
| tst.ts:163:21:163:25 | any[] | tst.ts:163:21:163:23 | any |
test_TypeAccessHelpers
| tst.ts:65:18:65:24 | Generic | 1 | 0 | tst.ts:65:26:65:31 | number |
| tst.ts:66:18:66:32 | N.InnerGeneric1 | 1 | 0 | tst.ts:66:34:66:39 | number |
@@ -274,6 +279,7 @@ test_ReturnTypes
| tst.ts:96:1:96:52 | functio ... rn x; } | function f3 | tst.ts:96:38:96:38 | S |
| tst.ts:142:1:146:1 | functio ... )\\n }\\n} | function assert | tst.ts:142:48:142:64 | asserts condition |
| tst.ts:148:1:152:1 | functio ... ;\\n }\\n} | function assertIsString | tst.ts:148:36:148:56 | asserts ... string |
| tst.ts:164:1:166:1 | functio ... rr2];\\n} | function concat | tst.ts:164:66:164:77 | [...T, ...U] |
test_KeyofTypeExpr
| tst.ts:49:16:49:30 | keyof Interface | tst.ts:49:22:49:30 | Interface |
| tst.ts:113:26:113:35 | keyof Node | tst.ts:113:32:113:35 | Node |

View File

@@ -157,4 +157,10 @@ function assertIsString(val: any): asserts val is string {
function tail<T extends any[]>(arr: readonly [any, ...T]) {
const [_ignored, ...rest] = arr;
return rest;
}
// spread in tuple in non-last position
type Arr = readonly any[];
function concat<T extends Arr, U extends Arr>(arr1: T, arr2: U): [...T, ...U] {
return [...arr1, ...arr2];
}