Absorb trailing comma of function call args in grouped exprs.#151
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allevato merged 1 commit intoswiftlang:masterfrom Feb 26, 2020
Merged
Absorb trailing comma of function call args in grouped exprs.#151allevato merged 1 commit intoswiftlang:masterfrom
allevato merged 1 commit intoswiftlang:masterfrom
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Are there other trailing commas that pose similar problems that we should knock out while we're in here? For example, array/dictionary/tuple literals with element expressions ending in a close break? |
When a trailing comma occurs after an expression that's wrapped in open/close breaks, the comma can be moved to a new line if it happens to exceed the column limit. By marking these as closing delimiters, they're absorbed into the grouped expressions.
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Good point - I reproduced the issue in arrays, dictionaries, tuples and pattern binding. I updated |
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Previously, these trailing commas could be placed on a new line after the expression because the close break after the expression would fire if the comma landed exactly 1 over the column limit. Now the comma is moved inside of the group and breaks around the expr so that a break inside of the expr fires instead of the close break.