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docs: correct typos in doc for template type guards (#37090)

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correct some small typos in new feature recommendation in stuctural-directives.md and reference from aot-compiler.md

PR Close #37090
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Judy Bogart
2019-12-23 13:06:42 -08:00
committed by Misko Hevery
parent 0520ecb7d0
commit 2cacab92e6
2 changed files with 2 additions and 3 deletions
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aio/content/guide/aot-compiler.md
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@ -621,7 +621,6 @@ Using `*ngIf` allows the TypeScript compiler to infer that the `person` used in
For more information about input type narrowing, see [Input setter coercion](guide/template-typecheck#input-setter-coercion) and [Improving template type checking for custom directives](guide/structural-directives#directive-type-checks).
### Non-null type assertion operator
Use the [non-null type assertion operator](guide/template-syntax#non-null-assertion-operator) to suppress the `Object is possibly 'undefined'` error when it is inconvenient to use `*ngIf` or when some constraint in the component ensures that the expression is always non-null when the binding expression is interpolated.