CheckForSigned

[Elliotte Harold]

The CheckForSigned annotation indicates that values passed may be
negative and that the method should consider this before executing code.

How important is this? When would I use it? My default assumption is
that any method that accepts a numeric value may accept a negative
number unless specifically indicated otherwise.

For instance would I use this or @Signed or neither on a

1. Square root method (assume no complex numbers or NaN)
2. Absolute value method
3. IncrementByOne method

--
Elliotte Rusty Harold elh...@metalab.unc.edu
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