:: String -> Int is:exact -package:safe -package:speculate -package:hxt -package:express -package:Agda -package:ViennaRNAParser -package:hledger -package:locators -package:hledger-lib -package:polysemy
Returns the display width of a string. Assumes all characters with
unknown widths are 0 width.
The default way to get number of semi-tones between notes in a single
element of
Intervals.
Raises an
error with a printf-specific prefix on the message
string.
Deprecated: error appends the call stack now
Alias for errorWithoutStackTrace (for base >= 4.9)