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Print Boolean values with lowercase intitial letters.

This commit is contained in:
Simon Forman 2021-04-06 11:41:39 -07:00
parent 14c16d469f
commit b2c449dd66
1 changed files with 13 additions and 4 deletions
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17
joy/utils/stack.py
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@ -72,7 +72,6 @@ printed left-to-right. These functions are written to support :doc:`../pretty`.
''' '''
from builtins import map
def list_to_stack(el, stack=()): def list_to_stack(el, stack=()):
'''Convert a Python list (or other sequence) to a Joy stack:: '''Convert a Python list (or other sequence) to a Joy stack::
@ -129,15 +128,25 @@ def expression_to_string(expression):
return _to_string(expression, iter_stack) return _to_string(expression, iter_stack)
_JOY_BOOL_LITS = 'false', 'true'
def _joy_repr(thing):
if isinstance(thing, bool):
return _JOY_BOOL_LITS[thing]
return repr(thing)
def _to_string(stack, f): def _to_string(stack, f):
if not isinstance(stack, tuple): return repr(stack) if not isinstance(stack, tuple): return _joy_repr(stack)
if not stack: return '' # shortcut if not stack: return '' # shortcut
return ' '.join(map(_s, f(stack))) return ' '.join(map(_s, f(stack)))
_s = lambda s: ( _s = lambda s: (
'[%s]' % expression_to_string(s) if isinstance(s, tuple) '[%s]' % expression_to_string(s)
else repr(s) if isinstance(s, tuple)
else _joy_repr(s)
) )