Expect a warning several times: Difference between revisions
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There are times when your LilyPond source file prints warnings when compiled and you may want to suppress these warnings from the output. LilyPond has a Scheme function for this: <code>ly:expect-warning</code>. However, there are times when the same warning is printed several times and <code>ly:expect-warning</code> will only hide one warning at a time. Typing this function several times in a row is tedious. | There are times when your LilyPond source file prints warnings when compiled and you may want to suppress these warnings from the output. LilyPond has a Scheme function for this: <code>ly:expect-warning</code>. However, there are times when the same warning is printed several times and <code>ly:expect-warning</code> will only hide one warning at a time. Typing this function several times in a row is tedious. | ||
The Scheme function below takes a string that will match some part of the warning, just like <code>ly:expect-warning</code>, but it also takes an integer for the number of times the warning is printed. | The [https://lilypond.org/doc/v2.24/Documentation/internals/scheme-functions Scheme function] below takes a string that will match some part of the warning, just like <code>ly:expect-warning</code>, but it also takes an integer for the number of times the warning is printed. | ||
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<code>#(expect-warning-times 4 "omitting tuplet bracket")</code> | <code>#(expect-warning-times 4 "omitting tuplet bracket")</code> | ||
[[Category:Scheme]] | |||
Latest revision as of 15:24, 2 March 2026
There are times when your LilyPond source file prints warnings when compiled and you may want to suppress these warnings from the output. LilyPond has a Scheme function for this: ly:expect-warning. However, there are times when the same warning is printed several times and ly:expect-warning will only hide one warning at a time. Typing this function several times in a row is tedious.
The Scheme function below takes a string that will match some part of the warning, just like ly:expect-warning, but it also takes an integer for the number of times the warning is printed.
#(define (expect-warning-times n . arg)
(for-each (lambda _ (apply ly:expect-warning arg))
(iota n)))
A usage example:
#(expect-warning-times 4 "omitting tuplet bracket")