fat arrow en · NOUN
Etymology
From fat + arrow, because of its thickness compared to ->.
Meanings
-
The => symbol, which has specific meanings in various programming languages.
A constant can't be used on the left-hand side of a fat arrow (=>) because that turns it into a string.
2013, Peter Scott, Perl Medic: Transforming Legacy Code, →ISBN, page 78:The fat arrow is a new shorter way to write functions using '=>' instead of 'function() {}', and will look familiar to anyone who has used CoffeeScript.
2013, Mark E. Daggett, Expert JavaScript, →ISBN, page 39:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| fat arrows | Number=Plur | lexicographic |