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cd7b5a3718
The current spanZ() function will not scan for a 0 terminator if the type is not 0 terminated. This encourages using 0 terminated array types to bind C arrays which hold 0 terminated strings. However, this is a big footgun as nothing in the C type system guarantees there to be a 0 terminator at the end of the array and if there is none this becomes Illegal Behavior in Zig. To solve this, deprecate spanZ() and lenZ(), adding a new sliceTo() function that always scans for the given terminator even if the type is not sentinel terminated.