Fix Signature Help inside do Notation #4904
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Some nodes have there type info stored in nodes generated by ghc. In case no type info found in source node, fall back to traversing ghc generated nodes for types Signed-off-by: vidit-od <vidit894@gmail.com>
do Notation
jian-lin
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Apr 19, 2026
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jian-lin
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Looks good. I'll do a more careful review later.
In the meantime, it would be good to add a test case for the issue.
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Closes : #4769
As recommended, Type information of Some nodes were stored in GHC generated nodes.
This PR keeps the old pipeline and add a Fall back to traverse these generated nodes in case source node lack type information.
Attached image of signature help in cases where we did not get them before;

Prerequisite :
Major Finding credits : @jian-lin