first commit
add iterator with error
fix iterators but the rbtree has memory when deconstruct
fix memory leak and modify return value of insert to pair
implement map based on rbtree
my::map run successfully with std::for_each
add erase for range
fix wrong return type of ++ and --
fix map pair_type error and add self_define_less test
change name fo some variable
add const_iterator in rbtree
fix merge
add prefix_and_suffix operator test
add copy_contractor and modify operator[]
modify code stype
modify code style
code style
code style
Merge branch 'master' of github.com:cloud-liu/mystl