package ocaml-base-compiler

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Official release 5.2.1

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Xavier Leroy

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ocaml-5.2.1.tar.gz

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doc/compiler-libs.optcomp/Extract_projections/index.html

Module `Extract_projections`

Identify projections from variables used in function bodies (free variables or specialised args, for example, according to which_variables below). Projections from variables that are also used boxed are not returned.

val from_function_decl : 
  env:Inline_and_simplify_aux.Env.t ->
  which_variables:Flambda.specialised_to Variable.Map.t ->
  function_decl:Flambda.function_declaration ->
  Projection.Set.t

which_variables maps (existing) inner variables to (existing) outer variables in the manner of free_vars and specialised_args in Flambda.set_of_closures.

The returned projections are projecting_from (cf. projection.mli) the "existing inner vars".