## 2025-02-16

# aa**2   # ? is aa an array or an integer ? -> array
# aa++2   # ? is aa an array or an integer ? -> integer
# aa ** 2 # aa is an array
# aa + +2 # aa is an integer

# keyword ( arguments ) | parameters | { block }
# keyword : type ` label ` ( arguments ) | parameters | { block }

#      if args params block
# ^^^^^^^------------------
#      if args params block                        else params block
# ^^^^^^^------------------                        ^^^^-------------
#      if args params block elif args params block
# ^^^^^^^------------------ ^^^^------------------
#      if args params block elif args params block else params block
# ^^^^^^^------------------ ^^^^------------------ ^^^^-------------
#     for args params block
# ^^^^^^^------------------
#     for args params block                        else        block
# ^^^^^^^------------------                        ^^^^-------------
#  switch args                                     else params block
# ^^^^^^^-----                                     ^^^^-------------
#  switch args              case args params block
# ^^^^^^^-----              ^^^^------------------
#  switch args              case args params block else params block
# ^^^^^^^-----              ^^^^------------------ ^^^^-------------
#   print args
# ^^^^^^^-----

#      fn :type params block
# ^^^^^^^******-------------

# XXX ifnil, iferr, catch