package merlin-lib
Merlin's libraries
Install
Dune Dependency
Authors
Maintainers
Sources
merlin-5.5-503.tbz
sha256=67da3b34f2fea07678267309f61da4a2c6f08298de0dc59655b8d30fd8269af1
sha512=1fb3b5180d36aa82b82a319e15b743b802b6888f0dc67645baafdb4e18dfc23a7b90064ec9bc42f7424061cf8cde7f8839178d8a8537bf4596759f3ff4891873
doc/merlin-lib.ocaml_utils/Ocaml_utils/Diffing_with_keys/index.html
Module Ocaml_utils.Diffing_with_keys
Source
When diffing lists where each element has a distinct key, we can refine the diffing patch by introducing two composite edit moves: swaps and moves.
Swap
s exchange the position of two elements. Swap
cost is set to 2 * change - epsilon
. Move
s change the position of one element. Move
cost is set to delete + addition - epsilon
.
When the cost delete + addition
is greater than change
and with those specific weights, the optimal patch with Swap
s and Move
s can be computed directly and cheaply from the original optimal patch.
Source
type ('l, 'r, 'diff) change =
| Change of ('l, 'r, 'diff) mismatch
| Swap of {
}
| Move of {
}
| Insert of {
}
| Delete of {
}
This specialized version of changes introduces two composite changes: Move
and Swap
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