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Quickfix for unused arrow function parameter results in invalid code #18274
Description
TypeScript Version: nightly (typescript@2.6.0-dev.20170906)
Code
const f = x => 1;Apply the Remove declaration for 'x' quickfix.
Expected behavior:
const f = () => 1;Actual behavior:
const f = => 1;
Activity
amcasey commentedon Sep 18, 2017
It turns out that our infrastructure is not well-suited to synthesizing the required parameters. We think that the emitter might do the right thing if we deleted the parameter list entry, but it might not and there would still be trivia issues.
TL;DR: This might be non-trivial.
Special case arrow functions with only parameter unused
Special case arrow functions with only parameter unused