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authorVincent Ambo <mail@tazj.in>2022-09-20T21·32+0300
committertazjin <tazjin@tvl.su>2022-09-20T23·48+0000
commit8f2004d360dde108f90d2b49b0609bd43b7b6d7d (patch)
tree6ee59500b7d5a6f54de607627357d45e8cf285af /README.md
parentf600aa5322f6628e1af63e9dd4c6ad073020e152 (diff)
refactor(tvix/eval): add VM::call_value helper method r/4943
This makes it possible to call a callable value (builtin or
closure/lambda) directly, without unwrapping it first. This is needed
for pretty much all higher-order functions to work correctly.

This is mostly equivalent to the previous code in coerce_to_string for
calling `__toString`, except it expects the argument(s) to already be
placed on the stack.

Note that the span for the `NotCallable` error is not currently
guaranteed to make any sense, will experiment with this.

Change-Id: I821224368d438a28900858b343defc1817e46a0a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6717
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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