tests and examples

.scalafmt.conf

@@ -0,0 +1,81 @@
+#
+# See http://scalameta.org/scalafmt/#Configuration for details
+#
+project {
+  includeFilters = [
+    ".*.\\.scala$"
+    ".*\\..sbt$"
+  ]
+}
+
+maxColumn = 120
+
+# Vertical alignment, options: none, some, more
+#
+# This awkward, self-contradictory, configuration ensures that only
+# the common sbt tokens get aligned, and not "production" code.
+#
+align = none
+align {
+  openParenCallSite = false
+  openParenDefnSite = false
+  tokens = ["%", ":=", "~="]
+}
+
+# If true, the margin character | is aligned with the opening triple quote string literals
+assumeStandardLibraryStripMargin = true
+
+#From scalafmt website:
+#see: http://scalameta.org/scalafmt/#includeCurlyBraceInSelectChains
+includeCurlyBraceInSelectChains = false
+
+continuationIndent {
+  callSite = 2
+  defnSite = 2
+  extendSite = 4
+}
+
+danglingParentheses = false
+
+
+newlines {
+  alwaysBeforeTopLevelStatements = true
+  sometimesBeforeColonInMethodReturnType = true
+  penalizeSingleSelectMultiArgList = false
+  alwaysBeforeElseAfterCurlyIf = false
+  neverInResultType = false
+}
+
+spaces {
+  afterKeywordBeforeParen = true
+}
+
+binPack {
+  parentConstructors = true
+  literalArgumentLists = true
+}
+
+optIn {
+  breaksInsideChains = false
+  breakChainOnFirstMethodDot = true
+  configStyleArguments = true
+}
+
+runner {
+  optimizer {
+    # Set to -1 to disable. Number of characters needed to trigger "config-style" formatting
+    # see: http://scalameta.org/scalafmt/#runner.optimizer.forceConfigStyleOnOffset
+    forceConfigStyleOnOffset = 150
+
+    # minimum number of func arguments before config-style (look at top of file) is enabled
+    forceConfigStyleMinArgCount = 2
+  }
+}
+
+rewrite {
+  rules = [
+    SortImports
+    # if your for has more than one single <- then it gets transformed into a multit-line curly brace one
+    # PreferCurlyFors
+  ]
+}

README.md

@@ -38,5 +38,10 @@ Generic programming
  - CSV generator
  - Diff
 
+[Java - Scala Cheatsheet](http://rea.tech/java-to-scala-cheatsheet/)
+
+[Scala Cheatsheet](https://gist.github.com/heathermiller/2ab9ef36910fdfdd20e9)
+
+
 [Read more](https://gist.github.com/jdegoes/97459c0045f373f4eaf126998d8f65dc)
 

build.sbt

@@ -3,40 +3,76 @@ import sbt._
 resolvers += Resolver.sonatypeRepo("releases")
 resolvers += Resolver.sonatypeRepo("snapshots")
 
-scalaVersion := "2.12.1"
+scalaVersion := "2.12.4"
 
-val monocleVersion = "1.4.0"
-
-val scalazVersion = "7.2.7"
-
-val matryoshkaVersion = "0.18.3"
-
-val catsVersion = "0.9.0"
+val catsVersion = "1.0.1"
 
 libraryDependencies ++= Seq(
-  "org.typelevel" %% "cats" % "0.9.0",
+  "org.typelevel" %% "cats-core" % catsVersion,
   "com.chuusai" %% "shapeless" % "2.3.2",
-  "com.lihaoyi" % "ammonite" % "0.8.2" % "test" cross CrossVersion.full
-
-//  "com.github.julien-truffaut"  %%  "monocle-core"    % monocleVersion,
-//  "com.github.julien-truffaut"  %%  "monocle-generic" % monocleVersion,
-//  "com.github.julien-truffaut"  %%  "monocle-macro"   % monocleVersion,
-//  "com.github.julien-truffaut"  %%  "monocle-state"   % monocleVersion,
-//  "com.github.julien-truffaut"  %%  "monocle-refined" % monocleVersion,
-//  "com.github.julien-truffaut"  %%  "monocle-law"     % monocleVersion % "test",
-//  "org.scalaz"                  %%  "scalaz-core"     % scalazVersion,
-//  "com.slamdata"                %%  "matryoshka-core" % matryoshkaVersion
+  "com.lihaoyi" % "ammonite" % "1.1.0" % Test cross CrossVersion.full,
+  "org.scalatest" %% "scalatest" % "3.0.5" % Test
 )
 val start =
   """
-    | println("witam")
+    |import scala.concurrent.Future
+    |import scala.concurrent.ExecutionContext.Implicits.global
+    |import fp._
     |
   """.stripMargin
 
 initialCommands in console := start
 
 // for @Lenses macro support
-addCompilerPlugin("org.scalamacros" %% "paradise" % "2.1.0" cross CrossVersion.full)
+addCompilerPlugin("org.scalamacros" %% "paradise" % "2.1.1" cross CrossVersion.full)
 
 // For kind projector, `Either[String, ?]`
-addCompilerPlugin("org.spire-math" %% "kind-projector" % "0.9.3")
+addCompilerPlugin("org.spire-math" %% "kind-projector" % "0.9.6")
+
+scalacOptions ++= Seq(
+  "-deprecation",                      // Emit warning and location for usages of deprecated APIs.
+  "-encoding", "utf-8",                // Specify character encoding used by source files.
+  "-explaintypes",                     // Explain type errors in more detail.
+  "-feature",                          // Emit warning and location for usages of features that should be imported explicitly.
+  "-language:existentials",            // Existential types (besides wildcard types) can be written and inferred
+  "-language:experimental.macros",     // Allow macro definition (besides implementation and application)
+  "-language:higherKinds",             // Allow higher-kinded types
+  "-language:implicitConversions",     // Allow definition of implicit functions called views
+  "-unchecked",                        // Enable additional warnings where generated code depends on assumptions.
+  "-Xcheckinit",                       // Wrap field accessors to throw an exception on uninitialized access.
+//  "-Xfatal-warnings",                  // Fail the compilation if there are any warnings.
+  "-Xfuture",                          // Turn on future language features.
+  "-Xlint:adapted-args",               // Warn if an argument list is modified to match the receiver.
+  "-Xlint:by-name-right-associative",  // By-name parameter of right associative operator.
+  "-Xlint:constant",                   // Evaluation of a constant arithmetic expression results in an error.
+  "-Xlint:delayedinit-select",         // Selecting member of DelayedInit.
+  "-Xlint:doc-detached",               // A Scaladoc comment appears to be detached from its element.
+  "-Xlint:inaccessible",               // Warn about inaccessible types in method signatures.
+  "-Xlint:infer-any",                  // Warn when a type argument is inferred to be `Any`.
+  "-Xlint:missing-interpolator",       // A string literal appears to be missing an interpolator id.
+  "-Xlint:nullary-override",           // Warn when non-nullary `def f()' overrides nullary `def f'.
+  "-Xlint:nullary-unit",               // Warn when nullary methods return Unit.
+  "-Xlint:option-implicit",            // Option.apply used implicit view.
+  "-Xlint:package-object-classes",     // Class or object defined in package object.
+  "-Xlint:poly-implicit-overload",     // Parameterized overloaded implicit methods are not visible as view bounds.
+  "-Xlint:private-shadow",             // A private field (or class parameter) shadows a superclass field.
+  "-Xlint:stars-align",                // Pattern sequence wildcard must align with sequence component.
+  "-Xlint:type-parameter-shadow",      // A local type parameter shadows a type already in scope.
+  "-Xlint:unsound-match",              // Pattern match may not be typesafe.
+  "-Yno-adapted-args",                 // Do not adapt an argument list (either by inserting () or creating a tuple) to match the receiver.
+  "-Ypartial-unification",             // Enable partial unification in type constructor inference
+//  "-Ywarn-dead-code",                  // Warn when dead code is identified.
+  "-Ywarn-extra-implicit",             // Warn when more than one implicit parameter section is defined.
+  "-Ywarn-inaccessible",               // Warn about inaccessible types in method signatures.
+  "-Ywarn-infer-any",                  // Warn when a type argument is inferred to be `Any`.
+  "-Ywarn-nullary-override",           // Warn when non-nullary `def f()' overrides nullary `def f'.
+  "-Ywarn-nullary-unit",               // Warn when nullary methods return Unit.
+  "-Ywarn-numeric-widen",              // Warn when numerics are widened.
+//  "-Ywarn-unused:implicits",           // Warn if an implicit parameter is unused.
+//  "-Ywarn-unused:imports",             // Warn if an import selector is not referenced.
+  "-Ywarn-unused:locals",              // Warn if a local definition is unused.
+//  "-Ywarn-unused:params",              // Warn if a value parameter is unused.
+  "-Ywarn-unused:patvars",             // Warn if a variable bound in a pattern is unused.
+  "-Ywarn-unused:privates",            // Warn if a private member is unused.
+  "-Ywarn-value-discard"               // Warn when non-Unit expression results are unused.
+)

project/build.properties

@@ -1 +1 @@
-sbt.version=0.13.15
+sbt.version=1.1.4