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Docs: add a note for no-unused-expressions (fixes #11169) (#11192)
* Docs: add a note for no-unused-expressions (fixes #11169)

* Docs: polish no-unused-expressions
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g-plane authored and platinumazure committed Dec 22, 2018
1 parent 88f99d3 commit 100930493d9ab802a94dac5c761515b12241ddd2
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  1. +1 −1 docs/rules/no-unused-expressions.md
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An unused expression which has no effect on the state of the program indicates a logic error.

For example, `n + 1;` is not a syntax error, but it might be a typing mistake where a programmer meant an assignment statement `n += 1;` instead.
For example, `n + 1;` is not a syntax error, but it might be a typing mistake where a programmer meant an assignment statement `n += 1;` instead. Sometimes, such unused expressions may be eliminated by some build tools in production environment, which possibly breaks application logic.

## Rule Details

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