Commits on May 11, 2024

1. Skip intermediate coord representation …

   We can just build up the coords directly rather than building up arrays
   and then converting them to Coords.
   
   ```
   $ cargo bench --bench="*" --  --baseline=sha-6872788
      Compiling polyline v0.10.2 (/Users/mkirk/src/georust/polyline)
       Finished `bench` profile [optimized] target(s) in 0.94s
        Running benches/benchmarks.rs
   (target/release/deps/benchmarks-8b91c88197106af3)
   encode 10_000 coordinates at precision 1e-5
                           time:   [180.56 µs 180.85 µs 181.16 µs]
                           change: [-1.3886% -1.0790% -0.7773%] (p = 0.00 < 0.05)
                           Change within noise threshold.
   Found 5 outliers among 100 measurements (5.00%)
     2 (2.00%) low mild
     3 (3.00%) high mild
   
   encode 10_000 coordinates at precision 1e-6
                           time:   [219.72 µs 220.82 µs 221.84 µs]
                           change: [+0.5301% +1.0508% +1.5979%] (p = 0.00 < 0.05)
                           Change within noise threshold.
   
   decode 10_000 coordinates at precision 1e-5
                           time:   [80.937 µs 81.828 µs 82.713 µs]
                           change: [-4.9284% -3.9764% -2.9753%] (p = 0.00 < 0.05)
                           Performance has improved.
   
   decode 10_000 coordinates at precision 1e-6
                           time:   [97.706 µs 98.786 µs 99.825 µs]
                           change: [-3.1947% -2.2649% -1.3617%] (p = 0.00 < 0.05)
                           Performance has improved.
   ```

   

   michaelkirk committed May 11, 2024
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