var x = new HashMap[String, Int]
assert x.is_empty == true
x["four"] = 4
assert x.is_empty == false
# Does this file contains no properties and no sections?
#
# ~~~
# var ini = new IniFile.from_string("")
# assert ini.is_empty
#
# ini = new IniFile.from_string("""
# key=value
# """)
# assert not ini.is_empty
#
# ini = new IniFile.from_string("""
# [section]
# """)
# assert not ini.is_empty
# ~~~
redef fun is_empty do return super and sections.is_empty
lib/ini/ini.nit:160,2--176,57