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Replace clap with a simple hand-written arg parser #411

Merged
merged 2 commits into from
Aug 8, 2023
Merged

Replace clap with a simple hand-written arg parser #411

merged 2 commits into from
Aug 8, 2023

Commits on Aug 7, 2023

  1. Replace clap with a simple hand-written arg parser 

    clap is too heavyweight for what tiny needs. Replacing it with a simple
hand-written parser reduces debug binary sizes a constant 14 MiB (!), and
release binary sizes ~400 KiB.

- Default build, debug:
  - Before: 73M
  - After: 59M
  - Diff: -14M, -29%

- Default build, release:
  - Before: 6.4M
  - After: 6.0M
  - Diff: -0.4M, -6%

- Native TLS build, release:
  - Before: 4.6M
  - After: 4.2M
  - Diff: -0.4M, -8%

Also saves ~10s build time and ~3s `cargo check` time.
    @osa1
    osa1 committed Aug 7, 2023
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  2. Fail on unsupported flags

    @osa1
    osa1 committed Aug 7, 2023
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