Category talk:Wren-llist: Difference between revisions
Content added Content deleted
m (→Source code: Minor change to exchange() methods.) |
(→Source code: 'add' methods now return the item(s) added.) |
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isEmpty { _count == 0 } |
isEmpty { _count == 0 } |
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// Adds an element at the tail of the current instance. |
// Adds an element at the tail of the current instance and returns it. |
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add(d) { |
add(d) { |
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var node = Node.new(d) |
var node = Node.new(d) |
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| Line 101: | Line 101: | ||
} |
} |
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_tail = node |
_tail = node |
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return d |
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} |
} |
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// Adds a sequence of elements at the tail of the current instance. |
// Adds a sequence of elements at the tail of the current instance and returns them. |
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addAll(a) { |
addAll(a) { |
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if (!(a is Sequence)) Fiber.abort("Argument must be a Sequence.") |
if (!(a is Sequence)) Fiber.abort("Argument must be a Sequence.") |
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for (e in a) add(e) |
for (e in a) add(e) |
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return a |
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} |
} |
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// Inserts an element at the head of the current instance. |
// Inserts an element at the head of the current instance and returns it. |
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prepend(d) { insert_(0, d) } |
prepend(d) { insert_(0, d) } |
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// Inserts a sequence of elements at the head of the current instance. |
// Inserts a sequence of elements at the head of the current instance and returns them. |
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prependAll(a) { |
prependAll(a) { |
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if (!(a is Sequence)) Fiber.abort("Argument must be a Sequence.") |
if (!(a is Sequence)) Fiber.abort("Argument must be a Sequence.") |
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i = i + 1 |
i = i + 1 |
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} |
} |
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return a |
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} |
} |
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| Line 527: | Line 530: | ||
isEmpty { _count == 0 } |
isEmpty { _count == 0 } |
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// Adds an element at the tail of the current instance. |
// Adds an element at the tail of the current instance and returns it. |
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add(d) { |
add(d) { |
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var node = DNode.new(d) |
var node = DNode.new(d) |
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} |
} |
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_tail = node |
_tail = node |
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return d |
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} |
} |
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// Adds a sequence of elements at the tail of the current instance. |
// Adds a sequence of elements at the tail of the current instance and returns them. |
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addAll(a) { |
addAll(a) { |
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if (!(a is Sequence)) Fiber.abort("Argument must be a Sequence.") |
if (!(a is Sequence)) Fiber.abort("Argument must be a Sequence.") |
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for (e in a) add(e) |
for (e in a) add(e) |
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return a |
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} |
} |
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// Inserts an element at the head of the current instance. |
// Inserts an element at the head of the current instance and returns it. |
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prepend(d) { insert_(0, d) } |
prepend(d) { insert_(0, d) } |
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// Inserts a sequence of elements at the head of the current instance. |
// Inserts a sequence of elements at the head of the current instance and returns them. |
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prependAll(a) { |
prependAll(a) { |
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if (!(a is Sequence)) Fiber.abort("Argument must be a Sequence.") |
if (!(a is Sequence)) Fiber.abort("Argument must be a Sequence.") |
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| Line 562: | Line 567: | ||
i = i + 1 |
i = i + 1 |
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} |
} |
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return a |
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} |
} |
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