Double definition of `lazymerge`

[Théo Galy-Fajou]

NestedTuples.jl/src/lazymerge.jl

Line 36 in 20dfe05

 function lazymerge(x, y) 

is repeated at

NestedTuples.jl/src/lazymerge.jl

Line 45 in 20dfe05

 lazymerge(a, b) = b 

[Chad Scherrer]

Thanks @theogf . I think we can change the first one to function lazymerge end, and just use it for the docs reference. Then lazymrege will not always create a LazyMerge. For example,

lazymerge(nt, NamedTuple()) == nt

Sometimes we want to be sure to create a LazyMerge (for dispatch, to avoid type piracy for NamedTuples). In those cases we can call LazyMerge directly.