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31 lines
685 B
Lua
31 lines
685 B
Lua
--- @class libmodal.collections.Stack
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local Stack = require('libmodal.src.utils.classes').new()
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--- @return libmodal.collections.Stack
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function Stack.new()
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return setmetatable({}, Stack)
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end
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--- @generic T
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--- @return T top the foremost value of the stack
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function Stack:peek()
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return self[#self]
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end
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--- remove the foremost value from the stack and return it.
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--- @generic T
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--- @return T top the foremost value of the stack
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function Stack:pop()
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return table.remove(self)
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end
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--- push some `value` on to the stack.
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--- @generic T
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--- @param value T the value to push onto the stack.
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function Stack:push(value)
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-- push to the stack
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table.insert(self, value)
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end
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return Stack
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