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Added operator name in TypeScript

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Vyacheslav Egorov 2021-06-21 16:04:25 +03:00
parent bf1236e58b
commit 2db8c9aced
1 changed files with 2 additions and 2 deletions
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rfcs/syntax-nil-forgiving-operator.md
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@ -25,7 +25,7 @@ local p = f(a!)!
local q = b!['X'] local q = b!['X']
``` ```
Nil-forgiving operator (also known as null-forgiving or null-suppression operator) can be found in some programming languages such as C# and TypeScript. Nil-forgiving operator can be found in some programming languages such as C# (null-forgiving or null-suppression operator) and TypeScript (non-null assertion operator).
## Design ## Design
@ -84,7 +84,7 @@ The operator might be placed by users to ignore/silence correct warnings and low
## Alternatives ## Alternatives
Aside from type assertion operator `::` it should be possible to place `assert` function calls before the operation. Aside from type assertion operator :: it should be possible to place `assert` function calls before the operation.
Type refinement/constraints should handle that statement and avoid warning in the following expressions. Type refinement/constraints should handle that statement and avoid warning in the following expressions.
But `assert` call will introduce runtime overhead without adding extra safety to the case when the type is nil at run time, in both cases an error will be thrown. But `assert` call will introduce runtime overhead without adding extra safety to the case when the type is nil at run time, in both cases an error will be thrown.