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[backport] Mention "lambdas" and => in the manual (#12397) [ci skip]

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(so that "lambda" can be CTRL+F'd)
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awr1 2019-10-10 02:28:54 -05:00 • committed by Miran
commit 3b1760df72
1 changed files with 5 additions and 3 deletions
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8
doc/manual.rst
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@ -3511,8 +3511,8 @@ for details on how to change this behavior.
Anonymous Procs Anonymous Procs
--------------- ---------------
Procs can also be treated as expressions, in which case it's allowed to omit Unnamed procedures can be used as lambda expressions to pass into other
the proc's name. procedures:
.. code-block:: nim .. code-block:: nim
var cities = @["Frankfurt", "Tokyo", "New York", "Kyiv"] var cities = @["Frankfurt", "Tokyo", "New York", "Kyiv"]
@ -3522,7 +3522,9 @@ the proc's name.
Procs as expressions can appear both as nested procs and inside top level Procs as expressions can appear both as nested procs and inside top level
executable code. executable code. The `sugar <sugar.html>`_ module contains the `=>` macro
which enables a more succinct syntax for anonymous procedures resembling
lambdas as they are in languages like JavaScript, C#, etc.
Func Func