monadic 0.3.2

macro to define Haskell style monadic action blocks
Documentation
Build #2016972019-11-26T23:49:17.034917+00:00
# rustc version
rustc 1.41.0-nightly (5c5b8afd8 2019-11-16)# docs.rs version
docsrs 0.6.0 (a6e6aa9 2019-11-25)# build log
[INFO] running `"docker" "create" "-v" "/home/cratesfyi/workspace/builds/monadic-0.3.2/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/monadic-0.3.2/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1001" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=-Z unstable-options --resource-suffix -20191116-1.41.0-nightly-5c5b8afd8 --static-root-path / --disable-per-crate-search --extern-html-root-url partial_application=https://docs.rs/partial_application/0.2.0 --extern-html-root-url num=https://docs.rs/num/0.2.0" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2019-11-17" "doc" "--lib" "--no-deps" "--target" "x86_64-unknown-linux-gnu"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87d5b9982c2b2d418add13bbc826b5c3ab5efff76a9a9a6a07cba9c9c60ae0a6
[INFO] running `"docker" "start" "-a" "87d5b9982c2b2d418add13bbc826b5c3ab5efff76a9a9a6a07cba9c9c60ae0a6"`
[INFO] [stderr]  Documenting monadic v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "87d5b9982c2b2d418add13bbc826b5c3ab5efff76a9a9a6a07cba9c9c60ae0a6"`
[INFO] running `"docker" "rm" "-f" "87d5b9982c2b2d418add13bbc826b5c3ab5efff76a9a9a6a07cba9c9c60ae0a6"`
[INFO] [stdout] 87d5b9982c2b2d418add13bbc826b5c3ab5efff76a9a9a6a07cba9c9c60ae0a6