Set Data.Map's delta to 4; fixes #4242
Set Data.Map's delta to 4; fixes #4242
shockkolate/containers,meiersi/psqueues-old,iu-parfunc/containers,shockkolate/containers,Zigazou/containers,iu-parfunc/containers,shockkolate/containers,Zigazou/containers,Zigazou/containers,hvr/containers,iu-parfunc/containers,hvr/containers,ekmett/containers,ekmett/containers,hvr/containers,ekmett/containers