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// with these deps it compiles, but the global tracer do not log anything | |
// tracing = { version = "^0.1.21" } | |
// tracing-subscriber = "^0.2.15" | |
// tracing-opentelemetry = "^0.9.0" | |
// tracing-futures = "^0.2.4" | |
// opentelemetry = { version = "^0.10.0" } | |
// opentelemetry-jaeger = { version = "^0.9.0", features = ["collector_client"] } | |
// | |
// I call this from main with | |
// let uninstall = Tracing::initialize().expect("unable to initialize tracing"); |
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rm -rf elm-stuff/build-artifacts/ && time sysconfcpus -n 1 ./node_modules/.bin/elm-make elm/Crash.elm | |
Success! Compiled 260 modules. | |
Successfully generated index.html | |
real 1m33.461s | |
user 1m31.141s | |
sys 0m2.268s | |
=================================================================== |
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[ | |
inputs: ["lib/**/*.{ex,exs}", "test/**/*.{ex,exs}"], | |
locals_without_parens: [ | |
# plug | |
plug: :*, | |
parse: :*, | |
serialize: :*, | |
value: :*, | |
match: :*, |
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#!/bin/sh | |
# credo checks before commit | |
mix credo | |
CREDO_RES=$? | |
if [ $CREDO_RES -ne 0 ] | |
then | |
exit $CREDO_RES | |
fi |
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dependencies: | |
pre: | |
- config/circleci/prepare.sh | |
cache_directories: | |
- ~/dependencies | |
- ~/.mix | |
- _build | |
- deps | |
test: |
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defmodule TestInfix do | |
import InfixFC | |
def invert(what) do | |
what |> String.graphemes |> Enum.reverse |> Enum.join | |
end | |
def inverted_and_stripped_upcase(subject) do | |
func = (&invert/1) <|> (&String.upcase/1) <|> (&String.strip/1) | |
func.(subject) |
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defmodule InfixFC do | |
@doc """ | |
define an infix operator <|> to compose functions | |
""" | |
defmacro left <|> right do | |
quote bind_quoted: [left: left, right: right] do | |
fn (v) -> left.(right.(v)) end | |
end | |
end |
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defmodule SimpleFC do | |
require Integer | |
def even(n), do: Integer.is_even(n) | |
def negate(n), do: not n | |
def compose(func1, func2) do | |
fn (n) -> | |
func2.(func1.(n)) | |
end |
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defmodule PipeFunctionComposition do | |
require Integer | |
def even(n), do: Integer.is_even(n) | |
def negate(n), do: not n | |
def multiply_by(n, factor), do: n * factor | |
@doc """ | |
true if the passed number is not even | |
""" |
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even :: Int -> Bool | |
not :: Bool -> Bool | |
isnoteven :: Int -> Bool | |
isnoteven = not . even | |
even(10) -- True | |
not(True) -- False | |
isnoteven(9) -- True |
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