a7359f5b3b
This seems to fix issue #1876, and some of the superficial parts of issue #1375. The #fmt macro and the to_str functions will round, rather than truncate, floats as strings. Other issues remain, and I wrote more code here than intended, but the following should pass now. ``` fn x() { assert "3.1416" == #fmt["%.4f", 3.14159]; assert "3" == #fmt["%.0f", 3.14159]; assert "99" == #fmt["%.0f", 98.5]; assert "7.0000" == #fmt["%.4f", 6.999999999]; assert "3.141590000" == #fmt["%.9f", 3.14159]; } ```
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