Variables

to_binary: Convert the input to a binary value.
as_atom: Convert a value to an Erlang atom.
pprint: Pretty print a zotonic value in a template.
make_value
if_undefined: Tests whether a value is undefined, returning the given argument.
is_defined: Tests if a value is defined.
is_undefined: Tests if a value is undefined.
if: Selects an argument depending on a condition.
to_integer: Convert the input to an integer value.
default: Provide an alternative value in case a value has a falsy value (0, false , undefined or empty string).
to_json: Display any value as in JSON (JavaScript Object Notation).
from_json: Parse a string as a JSON (JavaScript Object Notation) value. The returned value can be processed futher.