func test():
print("hello %s" % "world" == "hello world")
print("hello %s" % true == "hello true")
print("hello %s" % false == "hello false")
print("hello %d" % 25 == "hello 25")
print("hello %d %d" % [25, 42] == "hello 25 42")
# Pad with spaces.
print("hello %3d" % 25 == "hello 25")
# Pad with zeroes.
print("hello %03d" % 25 == "hello 025")
print("hello %.02f" % 0.123456 == "hello 0.12")
# Dynamic padding:
# https://docs.godotengine.org/en/latest/getting_started/scripting/gdscript/gdscript_format_string.html#dynamic-padding
print("hello %*.*f" % [7, 3, 0.123456] == "hello 0.123")
print("hello %0*.*f" % [7, 3, 0.123456] == "hello 000.123")