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updated the documentation for the 'do' notation

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This commit is contained in:
Andreas Rumpf
2016-01-16 13:43:22 +01:00
parent 00651d4afc
commit 2910096cce
2 changed files with 4 additions and 5 deletions
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8
doc/manual/procs.txt
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@@ -236,8 +236,6 @@ executable code.
Do notation
-----------
**Note:** The future of the ``do`` notation is uncertain.
As a special more convenient notation, proc expressions involved in procedure
calls can use the ``do`` keyword:
@@ -251,10 +249,12 @@ calls can use the ``do`` keyword:
``do`` is written after the parentheses enclosing the regular proc params.
The proc expression represented by the do block is appended to them.
More than one ``do`` block can appear in a single call:
``do`` with parentheses is an anonymous ``proc``; however a ``do`` without
parentheses is just a block of code. The ``do`` notation can be used to
pass multiple blocks to a macro:
.. code-block:: nim
proc performWithUndo(task: proc(), undo: proc()) = ...
macro performWithUndo(task, undo: untyped) = ...
performWithUndo do:
# multiple-line block of code

1
todo.txt
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@@ -4,7 +4,6 @@ essential for 1.0
- introduce newSeqOfCap(10)
- annotation support for getType()
- overloading of `()` needs to be in .experimental
- do notation needs to be documented properly
- find a solution for the x.f[T](y) gotcha
- ``concept`` needs to be refined, a nice name for the feature is not enough.
- Destructors need to be refined.