Add error returns to vertex functions#508
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dfellis
approved these changes
Aug 26, 2021
nrabinowitz
approved these changes
Aug 26, 2021
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| // Check for invalid vertexes | ||
| if (vertexNum < 0 || vertexNum > cellNumVerts - 1) return H3_NULL; | ||
| if (vertexNum < 0 || vertexNum > cellNumVerts - 1) return E_FAILED; |
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Do we have an E_INVALID_INPUT error we could use here? Do we need one? It would be really useful as a developer to understand whether the input was bad or the processing failed for a different reason.
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Perhaps E_DOMAIN, "Argument was outside of acceptable range (when a more specific error code is not available)"? This seems to most closely match what you mean by E_INVALID_INPUT. We also have E_VERTEX_INVALID if the vertex argument is invalid.
| for (int i = 0; i < NUM_HEX_VERTS; i++) { | ||
| vertexes[i] = H3_EXPORT(cellToVertex)(cell, i); | ||
| if (i == 5 && isPent) { | ||
| vertexes[i] = H3_NULL; |
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👍 Better to be explicit here
ajfriend
approved these changes
Aug 26, 2021
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These functions are not documented on the website yet, so no documentation update here.