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Add yas-completing-read

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* yasnippet.el (yas-completing-read): New function.
(yas-verify-value): Simplify with `member' instead of `cl-notany'.
* doc/snippet-development.org (Template Syntax): Show
`yas-completing-read' instead of `yas-choose-value' in the example.
This commit is contained in:
Noam Postavsky
2018-08-17 20:56:32 -04:00
parent 845222774b
commit 0f05a7555a
2 changed files with 19 additions and 7 deletions
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14
doc/snippet-development.org
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@@ -412,15 +412,17 @@ the field, and with some useful variables bound, notably
can place a transformation in the primary field that lets you select
default values for it.
The [[sym:yas-choose-value][=yas-choose-value=]] does this work for you. For example:
For example, the [[sym:yas-choose-value][=yas-completing-read=]] function is version of
=completing-read= which checks these variables. For example, asking
the user for the initial value of a field:
#+BEGIN_SRC snippet
<div align="${2:$$(yas-choose-value '("right" "center" "left"))}">
<div align="${2:$$(yas-completing-read "Alignment? " '("right" "center" "left"))}">
$0
</div>
#+END_SRC
See the definition of [[sym:yas-choose-value][=yas-choose-value=]] to see how it was written
See the definition of [[sym:yas-choose-value][=yas-completing-read=]] to see how it was written
using the two variables. If you're really lazy :) and can't spare a
tab keypress, you can automatically move to the next field (or exit)
after choosing the value with [[sym:yas-auto-next][=yas-auto-next=]]. The snippet above
@@ -428,7 +430,8 @@ becomes:
#+BEGIN_SRC snippet
<div align="${2:$$(yas-auto-next
(yas-choose-value
(yas-completing-read
"Alignment? "
'("right" "center" "left")))}">
$0
</div>
@@ -440,8 +443,7 @@ enter snippet field 2. This one makes use of [[sym:yas-modified-p][=yas-modified
#+BEGIN_SRC snippet
\section{${1:"Titel der Tour"}}%
\index{$1}%
\label{{2:"waiting for reftex-label call..."$(unless yas-modified-p (reftex-label nil 'dont-
insert))}}%
\label{{2:"waiting for reftex-label call..."$(unless yas-modified-p (reftex-label nil 'dont-insert))}}%
#+END_SRC
The function [[sym:yas-verify-value][=yas-verify-value=]] has another neat trick, and makes use