:: String -> Int is:exact -package:safe -package:speculate -package:hxt -package:ghc-lib-parser -package:hledger-lib -package:polysemy -package:monads-tf -package:hegg -package:locators -package:hledger
Returns the display width of a string. Assumes all characters with
unknown widths are 0 width.
Returns the precedence of default Haskell operators
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)