Templates
template borrow(a, b: SomeSignedInt; borrow: bool): bool
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Borrowing subtraction that returns just the borrow flag for signed integers.
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Source Edit template borrowingSub(a, b: int32; borrow: bool): tuple[res: int32, borrow: bool]
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Borrowing subtraction for signed 32-bit integers.
Takes two integers and returns their difference along with the borrow flag (BF): true means the previous subtraction had overflown, false means it hadn't.
Useful for chaining operations.
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Source Edit template borrowingSub(a, b: int64; borrow: bool): tuple[res: int64, borrow: bool]
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Borrowing subtraction for signed 64-bit integers.
Takes two integers and returns their difference along with the borrow flag (BF): true means the previous subtraction had overflown, false means it hadn't.
Useful for chaining operations.
See also:
Source Edit template borrowingSub(a, b: uint32; borrow: bool): tuple[res: uint32, borrow: bool]
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Borrowing subtraction for unsigned 32-bit integers.
Takes two integers and returns their difference along with the borrow flag (BF): true means the previous subtraction had overflown, false means it hadn't.
Useful for chaining operations.
See also:
Source Edit template borrowingSub(a, b: uint64; borrow: bool): tuple[res: uint64, borrow: bool]
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Borrowing subtraction for unsigned 64-bit integers.
Takes two integers and returns their difference along with the borrow flag (BF): true means the previous subtraction had overflown, false means it hadn't.
Useful for chaining operations.
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Source Edit template overflowingSub[T: SomeInteger](a, b: T): tuple[res: T, didOverflow: bool]
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Overflowing subtraction.
Takes two integers and returns their difference along with the overflow flag (OF): true means overflow happened, false means overflow didn't happen.
Subtraction wraps for both signed and unsigned integers, so this operation never raises.
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Source Edit template saturatingSub[T: SomeInteger](a, b: T): T
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Saturating subtraction.
Takes two integers and returns their difference; if the result won't fit within the type, the minimal possible value is returned.
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Source Edit