add syntax for assignment (#37)
refine functions and tests
refine functions (#37)
update docs
adopt "=" syntax for assignment
adopt "=" syntax for assignment (#37)
Merge branch 'feature/assign' of https://github.com/renkun-ken/pipeR into feature/assign
refine assignment (#37)
update docs
refine lambda piping
update docs
update vignette
update readme
update readme
updated docs
fix #39