Added examples.

.gitignore

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+*.o
+*.swp
+examples/*/build/
+tests/run_tests

examples/arrayArgument/Makefile

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+../size/Makefile

examples/arrayArgument/arrayArgument.ino

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+#include <arrayHelpers.h>
+
+
+void printArray(Span<int> s) {
+  for (int const& i: s) {
+    Serial.println(i);
+  }
+}
+
+
+void setup() {
+  Serial.begin(9600);
+
+  int a[] {1, 2, 3, 4, 5};
+  printArray(a);
+}
+
+void loop() {}

examples/size/Makefile

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+FQBN := arduino:avr:pro
+PORT := /dev/ttyUSB0
+BUILD := build
+FLAGS := -pedantic
+
+ARDUINO := arduino-cli
+PICOCOM := picocom
+
+SKETCH := $(wildcard *.ino)
+LIBS := $(wildcard *.cpp *.h *.tcc)
+HEX := $(BUILD)/$(addsuffix .hex, $(SKETCH))
+
+
+all: $(HEX)
+
+$(HEX): $(SKETCH) $(LIBS)
+	$(ARDUINO) compile --fqbn $(FQBN) --warnings all --output-dir $(BUILD) \
+    --build-property compiler.cpp.extra_flags="$(FLAGS)"
+
+upload: $(HEX)
+	$(ARDUINO) upload --fqbn $(FQBN) --port $(PORT) --input-file $(HEX)
+
+comm:
+	$(PICOCOM) -q $(PORT)

examples/size/size.ino

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+#include <arrayHelpers.h>
+
+
+void setup() {
+  Serial.begin(9600);
+
+  int a[] {1, 2, 3, 4, 5};
+  Serial.println(arraySize(a));  // Prints "5".
+}
+
+void loop() {}

library.properties

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+name=arrayhelpers
+version=1.0.0
+author=Jeroen F.J. Laros <jlaros@fixedpoint.nl>
+maintainer=Jeroen F.J. Laros <jlaros@fixedpoint.nl>
+sentence=Array helper classes and functions.
+paragraph=This library provides a number of helper classes and functions to ease working with arrays.
+category=Other
+url=https://arrayhelpers.readthedocs.io
+architectures=*
+includes=arrayHelpers.h