Print a boolean to stdout.
Print a boolean to stderr.
returns the data of a given filename.
creates a filename, write text into it and close it.
creates a string from a char.
the identity function.
returns an unique identifier every time it is called.
represent a runtime value as a string. Since types are lost at compile time, the representation might not match your type. For example, None will be printed 0 since they share the same runtime representation.
print the representation of a runtime value on stdout.
See remarks for
finally fend f x calls
f x and then
fend() even if
f x raised