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-rw-r--r--julia.html.markdown20
1 files changed, 19 insertions, 1 deletions
diff --git a/julia.html.markdown b/julia.html.markdown
index cba7cd45..2810555e 100644
--- a/julia.html.markdown
+++ b/julia.html.markdown
@@ -2,6 +2,7 @@
language: Julia
contributors:
- ["Leah Hanson", "http://leahhanson.us"]
+ - ["Pranit Bauva", "http://github.com/pranitbauva1997"]
filename: learnjulia.jl
---
@@ -102,6 +103,11 @@ false
# Printing is easy
println("I'm Julia. Nice to meet you!")
+# String can be compared lexicographically
+"good" > "bye" # => true
+"good" == "good" # => true
+"1 + 2 = 3" == "1 + 2 = $(1+2)" # => true
+
####################################################
## 2. Variables and Collections
####################################################
@@ -145,12 +151,16 @@ a = Int64[] # => 0-element Int64 Array
# 1-dimensional array literals can be written with comma-separated values.
b = [4, 5, 6] # => 3-element Int64 Array: [4, 5, 6]
+b = [4; 5; 6] # => 3-element Int64 Array: [4, 5, 6]
b[1] # => 4
b[end] # => 6
# 2-dimentional arrays use space-separated values and semicolon-separated rows.
matrix = [1 2; 3 4] # => 2x2 Int64 Array: [1 2; 3 4]
+# Arrays of a particular Type
+b = Int8[4, 5, 6] # => 3-element Int8 Array: [4, 5, 6]
+
# Add stuff to the end of a list with push! and append!
push!(a,1) # => [1]
push!(a,2) # => [1,2]
@@ -390,6 +400,14 @@ end
add(5, 6) # => 11 after printing out "x is 5 and y is 6"
+# Compact assignment of functions
+f_add(x, y) = x + y # => "f (generic function with 1 method)"
+f_add(3, 4) # => 7
+
+# Function can also return multiple values as tuple
+f(x, y) = x + y, x - y
+f(3, 4) # => (7, -1)
+
# You can define functions that take a variable number of
# positional arguments
function varargs(args...)
@@ -723,7 +741,7 @@ code_native(square_area, (Float64,))
# ret
#
# Note that julia will use floating point instructions if any of the
-# arguements are floats.
+# arguments are floats.
# Let's calculate the area of a circle
circle_area(r) = pi * r * r # circle_area (generic function with 1 method)
circle_area(5) # 78.53981633974483