From 813b371758064bda2d8bbac5df30b5ff5233bca0 Mon Sep 17 00:00:00 2001 From: awr1 <41453959+awr1@users.noreply.github.com> Date: Thu, 10 Oct 2019 02:28:54 -0500 Subject: [PATCH] [backport] Mention "lambdas" and `=>` in the manual (#12397) [ci skip] (so that "lambda" can be CTRL+F'd) (cherry picked from commit 3b1760df7265309f75c8cce4e9a34d928bea69e6) --- doc/manual.rst | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/doc/manual.rst b/doc/manual.rst index da45176810..ea5b8d55f1 100644 --- a/doc/manual.rst +++ b/doc/manual.rst @@ -3508,8 +3508,8 @@ for details on how to change this behavior. Anonymous Procs --------------- -Procs can also be treated as expressions, in which case it's allowed to omit -the proc's name. +Unnamed procedures can be used as lambda expressions to pass into other +procedures: .. code-block:: nim var cities = @["Frankfurt", "Tokyo", "New York", "Kyiv"] @@ -3519,7 +3519,9 @@ the proc's name. Procs as expressions can appear both as nested procs and inside top level -executable code. +executable code. The `sugar `_ 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