本文整理匯總了Python中hy.models.expression.HyExpression.append方法的典型用法代碼示例。如果您正苦於以下問題：Python HyExpression.append方法的具體用法？Python HyExpression.append怎麽用？Python HyExpression.append使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類hy.models.expression.HyExpression的用法示例。
在下文中一共展示了HyExpression.append方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: for_macro
# 需要導入模塊: from hy.models.expression import HyExpression [as 別名]
# 或者: from hy.models.expression.HyExpression import append [as 別名]
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
# 需要導入模塊: from hy.models.expression import HyExpression [as 別名]
# 或者: from hy.models.expression.HyExpression import append [as 別名]
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
# 需要導入模塊: from hy.models.expression import HyExpression [as 別名]
# 或者: from hy.models.expression.HyExpression import append [as 別名]
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
# 需要導入模塊: from hy.models.expression import HyExpression [as 別名]
# 或者: from hy.models.expression.HyExpression import append [as 別名]
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])