Show 4 uses of jbuilder

* Using external dep
* Internal library
* Library for opam export
* Binary

Author: rgrinberg

internal-lib/jbuild

@@ -0,0 +1,7 @@
+(jbuild_version 1)
+
+;; why is this lib internal?
+;; because it doesn't have a public_name
+(library
+ ((name internal_lib)
+  (libraries (re))))

internal-lib/m1.ml

@@ -0,0 +1,3 @@
+
+(* we can have ocaml as well as reason sources *)
+let opt = Re.opt

internal-lib/m2.re

@@ -0,0 +1,2 @@
+
+let y = "testing"

reason-native-lib.opam

@@ -0,0 +1,22 @@
+opam-version: "1.2"
+name: "ReasonNativeProject"
+version: "0.0.1"
+maintainer: "Jordan Walke <jordojw@gmail.com>"
+authors: [
+  "Jordan Walke <jordojw@gmail.com>"
+  "Maxwell Bernstein <max@bernsteinbear.com>"
+]
+license: "BSD"
+homepage: "https://github.com/reasonml/ReasonNativeProject"
+doc: "https://reasonml.github.io/ReasonNativeProject/"
+bug-reports: "https://github.com/reasonml/ReasonNativeProject/issues"
+dev-repo: "git://github.com/reasonml/ReasonNativeProject.git"
+tags: [ "reason" "example" ]
+build: [
+  ["jbuilder" "build" "-p" name "-j" jobs]
+]
+depends: [
+  "jbuilder" {build}
+  "reason"  {= "1.13.3"}
+]
+available: [ ocaml-version >= "4.02" & ocaml-version < "4.05" ]

reason-native-lib/jbuild

@@ -0,0 +1,6 @@
+(jbuild_version 1)
+
+(library
+ ((name reason_native_lib)
+  (public_name reason-native-lib)
+  (libraries (re))))

reason-native-lib/m1.re

@@ -0,0 +1,2 @@
+
+let answer = 42;

reason-native-project.opam

@@ -17,6 +17,7 @@ build: [
 ]
 depends: [
   "jbuilder" {build}
+  "reason-native-lib"
   "reason"  {= "1.13.3"}
 ]
 available: [ ocaml-version >= "4.02" & ocaml-version < "4.05" ]

reason-native-project/jbuild

@@ -0,0 +1,7 @@
+(jbuild_version 1)
+
+(executable
+ ((libraries (internal_lib reason-native-lib))
+  (package reason-native-project)
+  (name test)
+  (public_name react_native_project)))

src/test.re reason-native-project/test.resrc/test.re renamed to reason-native-project/test.re

@@ -7,3 +7,5 @@ print_string msg;
 print_newline ();
 print_string "!!!!!!\n";
 
+let a = Reason_native_lib.M1.answer;
+Printf.printf "Answer: %d\n" a