本文整理汇总了Python中hy.models.expression.HyExpression.append方法的典型用法代码示例。如果您正苦于以下问题：Python HyExpression.append方法的具体用法？Python HyExpression.append怎么用？Python HyExpression.append使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类hy.models.expression.HyExpression的用法示例。
在下文中一共展示了HyExpression.append方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: for_macro
# 需要导入模块: from hy.models.expression import HyExpression [as 别名]
# 或者: from hy.models.expression.HyExpression import append [as 别名]
def for_macro(*tree):
ret = None
# for [x iter y iter] ...
# ->
# foreach x iter
# foreach y iter
# ...
tree = HyExpression(tree).replace(tree[0])
it = iter(tree.pop(0))
blocks = list(zip(it, it)) # List for Python 3.x degenerating.
key, val = blocks.pop(0)
ret = HyExpression([HySymbol("foreach"),
HyList([key, val])])
root = ret
ret.replace(tree)
for key, val in blocks:
# x, [1, 2, 3, 4]
nret = HyExpression([HySymbol("foreach"),
HyList([key, val])])
nret.replace(key)
ret.append(nret)
ret = nret
[ret.append(x) for x in tree] # we really need [email protected]
return root示例2: let_macro
# 需要导入模块: from hy.models.expression import HyExpression [as 别名]
# 或者: from hy.models.expression.HyExpression import append [as 别名]
def let_macro(variables, *body):
expr = HyExpression([HySymbol("fn"), HyList([])])
for var in variables:
if isinstance(var, list):
expr.append(HyExpression([HySymbol("setf"),
var[0], var[1]]))
else:
expr.append(HyExpression([HySymbol("setf"),
var, HySymbol("None")]))
return HyExpression([expr + list(body)])示例3: let_macro
# 需要导入模块: from hy.models.expression import HyExpression [as 别名]
# 或者: from hy.models.expression.HyExpression import append [as 别名]
def let_macro(tree):
tree.pop(0) # "let"
ret = tree.pop(0) # vars
# tree is now the body
expr = HyExpression([HySymbol("fn"), HyList([])])
for var in ret:
expr.append(HyExpression([HySymbol("setf"), var[0], var[1]]))
for stmt in tree:
expr.append(stmt)
return HyExpression([expr])示例4: let_macro
# 需要导入模块: from hy.models.expression import HyExpression [as 别名]
# 或者: from hy.models.expression.HyExpression import append [as 别名]
def let_macro(tree):
tree.pop(0) # "let"
variables = tree.pop(0)
# tree is now the body
expr = HyExpression([HySymbol("fn"), HyList([])])
for var in variables:
if isinstance(var, list):
expr.append(HyExpression([HySymbol("setf"), var[0], var[1]]))
else:
expr.append(HyExpression([HySymbol("setf"), var, HySymbol("None")]))
for stmt in tree:
expr.append(stmt)
return HyExpression([expr])