Files
kraken/stdlib/stack.krak
2018-05-22 19:43:54 -04:00

110 lines
2.8 KiB
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import vec
import serialize
import util
fun stack_from_vector<T>(i: vec::vec<T>): stack<T> {
var to_ret.construct(): stack<T>
to_ret.data = i
return to_ret
}
fun stack<T>():stack<T> {
var out.construct():stack<T>
return out
}
fun stack<T>(in:T):stack<T> {
var out.construct():stack<T>
out.push(in)
return out
}
obj stack<T> (Object, Serializable) {
var data: vec::vec<T>
fun construct(): *stack<T> {
data.construct()
return this
}
fun construct(ammt: int): *stack<T> {
data.construct(ammt)
return this
}
fun copy_construct(other: *stack<T>) {
data.copy_construct(&other->data)
}
fun destruct() {
data.destruct()
}
fun operator=(other: ref stack<T>) {
data = other.data
}
fun serialize(): vec::vec<char> {
return serialize::serialize(data)
}
fun unserialize(it: ref vec::vec<char>, pos: int): int {
return data.unserialize(it, pos)
}
fun push(it: ref T) {
data.addEnd(it)
}
fun pop(): T {
var toRet = data[data.size-1]
data.remove(data.size-1)
return toRet
}
fun clear() {
data.clear()
}
fun top(): ref T {
return data[data.size-1]
}
fun from_top(num: int): ref T {
return data[(data.size-1)-num]
}
fun size(): int {
return data.size
}
fun available(): int {
return data.available
}
fun empty():bool {
return data.size == 0
}
fun for_each(func: fun(ref T):void) {
data.for_each(func)
}
fun for_each(func: fun(T):void) {
data.for_each(func)
}
fun for_each_reverse(func: fun(ref T):void) {
data.for_each_reverse(func)
}
fun for_each_reverse(func: fun(T):void) {
data.for_each_reverse(func)
}
fun reverse_vector(): vec::vec<T>
return data.reverse()
fun index_from_top_satisfying(func_raw: run(T):bool): int {
var temp_lambda = fun(i: T):bool { return func_raw(i); }
return index_from_top_satisfying(temp_lambda);
}
fun index_from_top_satisfying(func: fun(T):bool): int {
for (var i = 0; i < data.size; i++;)
if (func(from_top(i)))
return i
return -1
}
fun item_from_top_satisfying(func_raw: run(T):bool): T {
var temp_lambda = fun(i: T):bool { return func_raw(i); }
return item_from_top_satisfying(temp_lambda);
}
fun item_from_top_satisfying(func: fun(T):bool): T {
return from_top(index_from_top_satisfying(func))
}
fun item_from_top_satisfying_or(func: fun(T):bool, other: T): T {
var idx = index_from_top_satisfying(func)
if (idx != -1)
return from_top(idx)
return other
}
}