gleam-lang/gleam

have `gleam check`, `gleam build` validate the gleam.toml schema

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#5.301 geöffnet am 19. Jan. 2026

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Beschreibung

Currently the inclusion of a spurious field in gleam.toml goes silently unremarked upon.

This caused me some grief just now as I didn't spot that a local dependency list should appear under [dependencies] not above it.

The proposal would be for gleam build to report the presence of unrecognized/unsupported fields in gleam.toml before it tries to build anything, i.e., for gleam build to validate the gleam.toml schema. (As versioned by the Gleam version.)

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